add resp3 protocol part 4(protocol-string and render-string)

[chyroc]

Pull Request for issue

#76

Description

Testing Instructions

Excepted Behavior

Actual Behavior

Additional Comments

[codecov]

Codecov Report

Merging #82 into master will increase coverage by 3.83%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #82      +/-   ##
==========================================
+ Coverage      73%   76.83%   +3.83%     
==========================================
  Files          11       11              
  Lines         800      833      +33     
==========================================
+ Hits          584      640      +56     
+ Misses        195      181      -14     
+ Partials       21       12       -9

Impacted Files	Coverage Δ
internal/protcl/resp3.go	94.15% <100%> (+15.16%)	⬆️
internal/protcl/errors.go	29.41% <0%> (+11.76%)	⬆️

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[kasvith]

Tnx