Add some tests for JS rendering and the entrypoint code

Show the pipeline and test coverage badges in the README

Add unit tests for the cache links system.

Add a server route to list cache entries

- Proxy access restriction by IP address/subnet
- Persist the access log in the diskcache (optional)

New settings for the diskcache: eviction policy, size limit

- The "puretext" rule uses the "only_linetypes" filter
- Add a unit test for includes
- The url_remove filter can also remove links based on the URL's text
- Site rules for off-guardian

New gemtext filters: "only_linetypes" and "uppercased"

URL rules: allow lists of regexps to match a URL

- Support gemtext filters defined as a list in URL rules
- Support custom gemini responses in URL rules

revbump to v1.2.5

revbump to v1.2.4

- The "mode" setting can now be a comma-separated list of service modes
- Return PROXY_REQUEST_REFUSED when necessary
- Add unit tests for proxy+server
- Update the README

revbump to v1.2.3