Is your feature request related to a problem? Please describe.
There are parts of the website that can use improvements in increasing the accessibility of the website.

**Describe the solution you

Summary

Add basic pre-commit hooks to the repo. To catch, for example, broken symlinks (WorldHealthOrganization/app#1670)
Link: https://github.com/pre-commit/pre-commit-hooks

Possible config file. Should be run against every file in the existing tree to see what issues might come up.

# .pre-commit-config.yaml
-   repo: https://github.com/pre-commit/pre-comm

🙋 Feature Request

🔦 Context