[Docs] Add documentation for release process

[narin]

Description of Change

Adds documentation about our release process to the documentation site, outlining cadence, automation, git tagging, naming, change logs, and notifications.

Testing Packages

N/A

Screenshots/Video

Testing

• Tested on Web

PR Checklist

Code reviewer validation:

• General
  • PR is linked to ticket(s)
  • PR has changelog label applied if it's to be included in the changelog
  • Acceptance criteria:
    • All satisfied or
    • Documented reason for not being performed or
    • Split to separate ticket and ticket is linked by relevant AC(s)
  • Above PR sections adequately filled out
  • If any breaking changes, in accordance with the pre-1.0.0 versioning guidelines: a CU ticket has been created for the VA Mobile App detailing necessary adjustments with the package version that will be published by this ticket
• Code
  • Tests are included if appropriate (or split to separate ticket)
  • New functions have proper TSDoc annotations

Publish

If changes warrant a new version per the versioning guidelines and the PR is approved and ready to merge:

• Merge main into branch
• Merge branch to main
• Verify that Check Component Integrations workflow ran successfully
• Publish new version after merging

[TimRoe]

Finding the corresponding branch in the app repo, instead of adding the same document it should just update the following section in docusaurus.config.js:

engineeringDocForm('documentation', 'documentation', [
      'contributing.md',
      'namingConventions.md',
      'overview.md',
      'testing.md',
      'versioning.md',
    ]),

with releaseProcess.md to pull it automatically including any changes from our repo. The file itself shouldn't be added in the app repo or it causes weird tag-along changes to other PRs updating documentation.

[TimRoe]

Suggested change

	slack notification is also sent to the [#va-mobile-library](https://dsva.slack.com/archives/C062TM03HN2)
	slack notification is also sent to the [#va-mobile-library-alerts](https://dsva.slack.com/archives/C062TM03HN2)

[TimRoe]

Approving, but a few minor things to tweak prior to merge.

Comment with more meaningful adjustment on the flagship side not directly relevant to this PR.

[narin]

Fixed links and created a new PR in the va-mobile-app repo with the only change being releaseProcess.md added to the list of docusaurus imports.