Add Support for [Nostr] Followers (#9870)

* add nostr followers with tests

* fix broken test

* fix http error handler

* rename route from nostr to nostr-band

* remove unnecessary test cases

* edit test expectation

* validate data schema ensuring exact one key

* remove unavailable named logo

* migrate examples to openApi

* Update services/nostr-band/nostr-band-followers.tester.js

* remove unused import

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Co-authored-by: chris48s <chris48s@users.noreply.github.com>
Co-authored-by: chris48s <git@chris-shaw.dev>