chore: Update readme with Gen2 links

[jvh-aws]

• PR title and description conform to Pull Request guidelines.

Issue #, if available:

Description of changes: Update readme to point to most recent Gen2 documentation

How did you test these changes?
(Please add a line here how the changes were tested)

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Ensure commit message has the appropriate scope (e.g fix(storage): message, feat(auth): message, chore(all): message)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.79%. Comparing base (0d87830) to head (1c561b5).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3180      +/-   ##
==========================================
- Coverage   54.79%   54.79%   -0.01%     
==========================================
  Files        1048     1048              
  Lines       31344    31344              
  Branches     4694     4694              
==========================================
- Hits        17176    17175       -1     
  Misses      12360    12360              
- Partials     1808     1809       +1     

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