updating sec credential doc

[anaxceron]

Updating doc in Managing credential security and Team configurations:

• Edited content for clarity, thoroughness
• Re-arranged content for better UX
• Added sec credential doc in Team configurations per Issue 3276

Files: cli-using-team-managing-credential-security.md, docs/user-guide/cli-using-using-team-profiles.md

[github-actions]

🚀 Deployed on https://659c3f9b5cac660d5993df78--zowe-docs-master.netlify.app

[zFernand0]

I'm glad that we have all 4 combinations of these flags documented here 😋
I left some minor comments, but overall...
LGTM! 😋

[sbohnert]

Looks good to me. Thanks!

[github-actions]

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[anaxceron]

@adam-wolfe @zFernand0 -- I have added a definition of secure credential store to the Zowe glossary. Please review for accuracy.

[adam-wolfe]

LGTM, thanks @anaxceron