Check pr for removed/changed paths

### Feature Summary

There is broken link checking but that won't catch existing links elsewhere back into the documentation site. We should be able to at least post a message to check for redirects, if not just check in ci, if a path is (re)moved.

### Feature Category

Other

### Problem This Solves

Don't break existing links to docs

### Proposed Solution

In ci, check for redirect coverage if paths are (re)moved

### User Stories

_No response_

### Alternatives Considered

_No response_

### Priority/Impact

None

### Examples or References

_No response_

### Additional Context

_No response_

### Are you planning to fix this issue?

No, just reporting the issue

### First-time contributor support

- [ ] I'm new to contributing and would appreciate guidance on the process
- [ ] I'd like help understanding the project structure
- [ ] I need assistance with setting up the development environment
- [ ] I'm comfortable contributing but new to this project specifically