Flags opinion articles on news websites.
Purpose: To help users easily disambiguate opinion pieces/op-eds from news articles on news websites if they're clicking on tweets/urls etc.
- Identify more regexes for opinion articles on websites.
- Enable a color picker.
- Explore changing text color instead of background color
- Create global and per-user allowlists to ensure sites (such as https://github.com/clp93/opinion-flagger) don't get flagged 😅
- Turn the list of regex-es into a map of websites to regex-es.