[golang]feat: support reader for sse response

[yndu13]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 86.95652% with 6 lines in your changes missing coverage. Please review.

Project coverage is 81.32%. Comparing base (77c287f) to head (8314581).

Files with missing lines	Patch %	Lines
golang/service/service.go	86.95%	3 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #358      +/-   ##
============================================
+ Coverage     81.15%   81.32%   +0.16%     
  Complexity      236      236              
============================================
  Files            23       23              
  Lines          2149     2195      +46     
  Branches         97       97              
============================================
+ Hits           1744     1785      +41     
- Misses          388      391       +3     
- Partials         17       19       +2     

Flag	Coverage Δ
csharp	97.99% <ø> (ø)
golang	93.49% <86.95%> (-0.94%)	⬇️
java	65.17% <ø> (ø)
php	0.00% <ø> (ø)
python	98.63% <ø> (ø)
ts	97.27% <ø> (+0.90%)	⬆️

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