added swagger documentation

[codecov[bot]]

Codecov Report

Merging #64 into master will increase coverage by 0.25%. The diff coverage is 100%.

@@           Coverage Diff           @@
##           master   #64      +/-   ##
=======================================
+ Coverage   89.74%   90%   +0.25%     
=======================================
  Files           2     2              
  Lines         195   200       +5     
=======================================
+ Hits          175   180       +5     
  Misses         20    20

Impacted Files	Coverage Δ
server.py	88.14% <100%> (+0.45%)	:arrow_up:

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[JudeRuben]

Hi ephraim..changed as per request..please review and merge

[ephraimrosenfeld]

I had to make one more data-type correction.