Feat/node info endpoint

[luongngocminh]

Added /node-info API endpoint which will returns the following:

Fixes #147

[codecov]

Codecov Report

Attention: 31 lines in your changes are missing coverage. Please review.

Comparison is base (a8f74dd) 52.78% compared to head (def87db) 52.67%.

Files	Patch %	Lines
servers/media-server/src/server/connector.rs	0.00%	8 Missing ⚠️
servers/media-server/src/server/gateway.rs	0.00%	6 Missing ⚠️
servers/media-server/src/server/rtmp.rs	0.00%	6 Missing ⚠️
servers/media-server/src/server/webrtc.rs	0.00%	6 Missing ⚠️
packages/cluster/src/implement/server.rs	25.00%	3 Missing ⚠️
packages/cluster/src/define/rpc/general.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #151      +/-   ##
==========================================
- Coverage   52.78%   52.67%   -0.12%     
==========================================
  Files         146      146              
  Lines       12171    12200      +29     
==========================================
+ Hits         6425     6426       +1     
- Misses       5746     5774      +28     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.