feat: notary server endpoints

[MarcosSpessatto]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 94.97908% with 12 lines in your changes missing coverage. Please review.

Project coverage is 78.42%. Comparing base (66e6a48) to head (cc8587f).

Files with missing lines	Patch %	Lines
packages/homeserver/src/routes/key/notaryServer.ts	95.80%	7 Missing ⚠️
...s/homeserver/src/routes/federation/sendInviteV2.ts	25.00%	3 Missing ⚠️
...meserver/src/procedures/getServerKeysFromRemote.ts	96.87%	1 Missing ⚠️
...server/src/routes/federation/checkSignAndHashes.ts	87.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #5      +/-   ##
==========================================
+ Coverage   76.66%   78.42%   +1.75%     
==========================================
  Files          47       49       +2     
  Lines        3450     3638     +188     
==========================================
+ Hits         2645     2853     +208     
+ Misses        805      785      -20     

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