feat: Add authentication wrapper for checking tokens or signatures

[sandrask]

Add authentication wrapper for checking tokens or signatures

Closes #788

Signed-off-by: Sandra Vrtikapa sandra.vrtikapa@securekey.com

[codecov]

Codecov Report

Merging #789 (eea2f3e) into main (8820a16) will increase coverage by 0.09%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##             main     #789      +/-   ##
==========================================
+ Coverage   89.83%   89.93%   +0.09%     
==========================================
  Files         139      140       +1     
  Lines       11795    11888      +93     
==========================================
+ Hits        10596    10691      +95     
  Misses        738      738              
+ Partials      461      459       -2     

Impacted Files	Coverage Δ
pkg/httpserver/auth/signature/authwrapper.go	87.50% <87.50%> (ø)
pkg/webfinger/client/client.go	87.50% <0.00%> (-4.81%)	⬇️
cmd/orb-server/startcmd/params.go	80.65% <0.00%> (-0.23%)	⬇️
...ctivitypub/service/activityhandler/inboxhandler.go	87.06% <0.00%> (-0.14%)	⬇️
...g/anchor/handler/acknowlegement/acknowledgement.go	100.00% <0.00%> (ø)
...r/resource/registry/didanchorinfo/didanchorinfo.go	100.00% <0.00%> (ø)
pkg/ldcontextrest/ldcontextrest.go
pkg/discovery/endpoint/restapi/anchorinfo.go	100.00% <0.00%> (ø)
cmd/orb-server/startcmd/start.go	73.78% <0.00%> (+0.25%)	⬆️
... and 3 more

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