add overwrite to repeated capabilities

[elebel-emerson]

• This contribution adheres to CONTRIBUTING.md.

- [ ] I've updated CHANGELOG.md if applicable.

• I've added tests applicable for this pull request

What does this Pull Request accomplish?

Change generated Repeated Capabilities documentation to support metadata-defined descriptions, examples, and identifier guidance for capability-specific behavior.

What testing has been done?

Manually testing change in config.py propagates to html documentation
Create a unit test

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.32%. Comparing base (ab52ec6) to head (a5b270d).
⚠️ Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2183      +/-   ##
==========================================
- Coverage   89.85%   89.32%   -0.53%     
==========================================
  Files          73       73              
  Lines       19006    19048      +42     
==========================================
- Hits        17077    17015      -62     
- Misses       1929     2033     +104     

Flag	Coverage Δ
codegenunittests	84.90% <ø> (ø)
nidcpowersystemtests	94.38% <ø> (-0.23%)	⬇️
nidcpowerunittests	89.53% <ø> (ø)
nidigitalsystemtests	92.02% <ø> (-0.24%)	⬇️
nidigitalunittests	68.44% <ø> (ø)
nidmmsystemtests	92.29% <ø> (-0.44%)	⬇️
nifakeunittests	86.01% <ø> (ø)
nifgensystemtests	94.32% <ø> (-0.30%)	⬇️
nimodinstsystemtests	73.85% <ø> (ø)
nimodinstunittests	94.20% <ø> (ø)
nirfsgsystemtests	81.12% <ø> (ø)
niscopesystemtests	89.96% <ø> (-2.99%)	⬇️
niscopeunittests	43.20% <ø> (ø)
nisesystemtests	91.50% <ø> (ø)
niswitchsystemtests	81.56% <ø> (-0.48%)	⬇️
nitclksystemtests	94.87% <ø> (ø)
nitclkunittests	98.26% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.
see 11 files with indirect coverage changes

---

Continue to review full report in Codecov by Harness.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ab52ec6...a5b270d. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[ni-jfitzger]

Why are you changing the file modes of our metadata files?

[ni-jfitzger]

Note: if you pull the latest changes, the system tests will pass.
Not really a requirement for this change, but the PR Checks would look better.

[elebel-emerson]

Why are you changing the file modes of our metadata files?

I did not explicitly touch those files, doing tox -e codegen touched those files, and I just committed.