docs: update documentation links

[wingkwong]

Change Summary

• currently some links are pointing to pages in old ui, this PR is to update them so that new users don't need to switch to the new one and search in docs.

Change type

• feat: (new feature for the user, not a new feature for build script)
• fix: (bug fix for the user, not a fix to a build script)
• docs: (changes to the documentation)
• style: (formatting, missing semi colons, etc; no production code change)
• refactor: (refactoring production code, eg. renaming a variable)
• test: (adding missing tests, refactoring tests; no production code change)
• chore: (updating grunt tasks etc; no production code change)

Test/ Verification

Provide summary of changes.

Additional information / screenshots (optional)

Anything for maintainers to be made aware of

[github-actions]

Uffizzi Preview deployment-47513 was deleted.