SSR: Legacy Router Migration Split 3 (Add Feed + Metrics) #25

We currently have a catch all route src/app/[locale]/[...slug] which is used to ease the migration of the app to NextJs. Inside this route, it has it's own Routing system which is not ideal. We want to migrate these pages to use NextJs App Router and eventually remove this catch all route. For this split migrate the pages

forgot-password
contribute
contribute/submitted
metrics/gtfs
feeds/*
notices/*
features/*
metrics/gbfs
feeds/*
notices/*
versions/*