
Remove duplication, link to the API documentation more often, tweak wording, add `@UniqMartin` as a maintainer, note `@jacknagel`'s and `@adamv`'s significant past contributions to Homebrew, delete some outdated or unneeded documentation, add some missing `Formula` API. entries and simplify/improve `CONTRIBUTING.md`. Closes Homebrew/homebrew#46179. Closes Homebrew/homebrew#46618. Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>