Update special cloud support

[MetMS2023]

1. create new specialty environment support article
2. update toc
3. eliminate all special-cloud-related Notes in almost all the pages under Solution section.

[learn-build-service-prod]

Learn Build status updates of commit 92d90da:

💡 Validation status: suggestions

File	Status	Preview URL	Details
migration/mm-specialty-environments-support.md	💡Suggestion		Details
migration/mm-box-overview.md	✅Succeeded
migration/mm-box-step1-connect.md	✅Succeeded
migration/mm-box-step2-scan-assess.md	✅Succeeded
migration/mm-box-step3-copy-to-migrations.md	✅Succeeded
migration/mm-box-step4-review-destinations.md	✅Succeeded
migration/mm-box-step5-map-identities.md	✅Succeeded
migration/mm-box-step6-migrate-monitor.md	✅Succeeded
migration/mm-dropbox-overview.md	✅Succeeded
migration/mm-dropbox-step1-connect.md	✅Succeeded
migration/mm-dropbox-step2-scan-assess.md	✅Succeeded
migration/mm-dropbox-step3-copy-to-migrations.md	✅Succeeded
migration/mm-dropbox-step4-review-destinations.md	✅Succeeded
migration/mm-dropbox-step5-map-identities.md	✅Succeeded
migration/mm-dropbox-step6-migrate-monitor.md	✅Succeeded
migration/mm-egnyte-overview.md	✅Succeeded
migration/mm-egnyte-step2-scan-assess.md	✅Succeeded
migration/mm-egnyte-step3-copy-to-migrations.md	✅Succeeded
migration/mm-egnyte-step4-review-destinations.md	✅Succeeded
migration/mm-egnyte-step5-map-identities.md	✅Succeeded
migration/mm-egnyte-step6-migrate-monitor.md	✅Succeeded
migration/mm-fileshare-copy-to-migrations.md	✅Succeeded
migration/mm-fileshare-scan-assess.md	✅Succeeded
migration/mm-google-step1-connect.md	✅Succeeded
migration/mm-google-step2-scan-assess.md	✅Succeeded

This comment lists only the first 25 files in the pull request.

migration/mm-specialty-environments-support.md

• Line 24, Column 1: [Suggestion: table-syntax-invalid - See documentation] Table syntax is invalid. Ensure your table includes a header and is surrounded by empty lines.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 92d90da:

💡 Validation status: suggestions

File	Status	Preview URL	Details
migration/mm-specialty-environments-support.md	💡Suggestion		Details
migration/mm-box-overview.md	✅Succeeded
migration/mm-box-step1-connect.md	✅Succeeded
migration/mm-box-step2-scan-assess.md	✅Succeeded
migration/mm-box-step3-copy-to-migrations.md	✅Succeeded
migration/mm-box-step4-review-destinations.md	✅Succeeded
migration/mm-box-step5-map-identities.md	✅Succeeded
migration/mm-box-step6-migrate-monitor.md	✅Succeeded
migration/mm-dropbox-overview.md	✅Succeeded
migration/mm-dropbox-step1-connect.md	✅Succeeded
migration/mm-dropbox-step2-scan-assess.md	✅Succeeded
migration/mm-dropbox-step3-copy-to-migrations.md	✅Succeeded
migration/mm-dropbox-step4-review-destinations.md	✅Succeeded
migration/mm-dropbox-step5-map-identities.md	✅Succeeded
migration/mm-dropbox-step6-migrate-monitor.md	✅Succeeded
migration/mm-egnyte-overview.md	✅Succeeded
migration/mm-egnyte-step2-scan-assess.md	✅Succeeded
migration/mm-egnyte-step3-copy-to-migrations.md	✅Succeeded
migration/mm-egnyte-step4-review-destinations.md	✅Succeeded
migration/mm-egnyte-step5-map-identities.md	✅Succeeded
migration/mm-egnyte-step6-migrate-monitor.md	✅Succeeded
migration/mm-fileshare-copy-to-migrations.md	✅Succeeded
migration/mm-fileshare-scan-assess.md	✅Succeeded
migration/mm-google-step1-connect.md	✅Succeeded
migration/mm-google-step2-scan-assess.md	✅Succeeded

This comment lists only the first 25 files in the pull request.

migration/mm-specialty-environments-support.md

• Line 24, Column 1: [Suggestion: table-syntax-invalid - See documentation] Table syntax is invalid. Ensure your table includes a header and is surrounded by empty lines.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 9c6ab01:

💡 Validation status: suggestions

File	Status	Preview URL	Details
migration/mm-specialty-environments-support.md	💡Suggestion		Details
migration/mm-box-overview.md	✅Succeeded
migration/mm-box-step1-connect.md	✅Succeeded
migration/mm-box-step2-scan-assess.md	✅Succeeded
migration/mm-box-step3-copy-to-migrations.md	✅Succeeded
migration/mm-box-step4-review-destinations.md	✅Succeeded
migration/mm-box-step5-map-identities.md	✅Succeeded
migration/mm-box-step6-migrate-monitor.md	✅Succeeded
migration/mm-dropbox-overview.md	✅Succeeded
migration/mm-dropbox-step1-connect.md	✅Succeeded
migration/mm-dropbox-step2-scan-assess.md	✅Succeeded
migration/mm-dropbox-step3-copy-to-migrations.md	✅Succeeded
migration/mm-dropbox-step4-review-destinations.md	✅Succeeded
migration/mm-dropbox-step5-map-identities.md	✅Succeeded
migration/mm-dropbox-step6-migrate-monitor.md	✅Succeeded
migration/mm-egnyte-overview.md	✅Succeeded
migration/mm-egnyte-step2-scan-assess.md	✅Succeeded
migration/mm-egnyte-step3-copy-to-migrations.md	✅Succeeded
migration/mm-egnyte-step4-review-destinations.md	✅Succeeded
migration/mm-egnyte-step5-map-identities.md	✅Succeeded
migration/mm-egnyte-step6-migrate-monitor.md	✅Succeeded
migration/mm-fileshare-copy-to-migrations.md	✅Succeeded
migration/mm-fileshare-scan-assess.md	✅Succeeded
migration/mm-google-step1-connect.md	✅Succeeded
migration/mm-google-step2-scan-assess.md	✅Succeeded

This comment lists only the first 25 files in the pull request.

migration/mm-specialty-environments-support.md

• Line 24, Column 1: [Suggestion: table-syntax-invalid - See documentation] Table syntax is invalid. Ensure your table includes a header and is surrounded by empty lines.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit dbc9e68:

✅ Validation status: passed

File	Status	Preview URL	Details
migration/mm-box-overview.md	✅Succeeded
migration/mm-box-step1-connect.md	✅Succeeded
migration/mm-box-step2-scan-assess.md	✅Succeeded
migration/mm-box-step3-copy-to-migrations.md	✅Succeeded
migration/mm-box-step4-review-destinations.md	✅Succeeded
migration/mm-box-step5-map-identities.md	✅Succeeded
migration/mm-box-step6-migrate-monitor.md	✅Succeeded
migration/mm-dropbox-overview.md	✅Succeeded
migration/mm-dropbox-step1-connect.md	✅Succeeded
migration/mm-dropbox-step2-scan-assess.md	✅Succeeded
migration/mm-dropbox-step3-copy-to-migrations.md	✅Succeeded
migration/mm-dropbox-step4-review-destinations.md	✅Succeeded
migration/mm-dropbox-step5-map-identities.md	✅Succeeded
migration/mm-dropbox-step6-migrate-monitor.md	✅Succeeded
migration/mm-egnyte-overview.md	✅Succeeded
migration/mm-egnyte-step2-scan-assess.md	✅Succeeded
migration/mm-egnyte-step3-copy-to-migrations.md	✅Succeeded
migration/mm-egnyte-step4-review-destinations.md	✅Succeeded
migration/mm-egnyte-step5-map-identities.md	✅Succeeded
migration/mm-egnyte-step6-migrate-monitor.md	✅Succeeded
migration/mm-fileshare-copy-to-migrations.md	✅Succeeded
migration/mm-fileshare-scan-assess.md	✅Succeeded
migration/mm-google-step1-connect.md	✅Succeeded
migration/mm-google-step2-scan-assess.md	✅Succeeded
migration/mm-google-step3-copy-to-migrations.md	✅Succeeded

This comment lists only the first 25 files in the pull request.
For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel