Implement amm_info handler

[godexsoft]

As @arihantkothari could not continue working on this I'm taking it over to finish the missing/failing unit tests and finalize the handler.

Note: Previous work on this code was here.

[codecov]

Codecov Report

Attention: 36 lines in your changes are missing coverage. Please review.

Comparison is base (d30e63d) 54.08% compared to head (8af86a5) 54.72%.
Report is 2 commits behind head on develop.

❗ Current head 8af86a5 differs from pull request most recent head 3714b38. Consider uploading reports for the commit 3714b38 to get more accurate results

Files	Patch %	Lines
src/rpc/handlers/AMMInfo.cpp	81.92%	17 Missing and 13 partials ⚠️
src/rpc/common/Validators.cpp	78.57%	1 Missing and 2 partials ⚠️
src/rpc/RPCHelpers.cpp	84.61%	1 Missing and 1 partial ⚠️
src/rpc/common/impl/HandlerProvider.cpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1060      +/-   ##
===========================================
+ Coverage    54.08%   54.72%   +0.63%     
===========================================
  Files          203      206       +3     
  Lines        10288    10475     +187     
  Branches      5454     5582     +128     
===========================================
+ Hits          5564     5732     +168     
- Misses        3399     3416      +17     
- Partials      1325     1327       +2     

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[kuznetsss]

Good job! Just a few comments.