Adds more samples in README
Adds more samples in README

- Goroutines inside a request
- Basic HTTP authorization

snyh/gin,gin-gonic/gin,michelangelo13/gin,fc-thrisp-hurrata-dlm-graveyard/flotilla-defunct,adwinsky/gin,RomanMinkin/gin,sdvdxl/gin,thrisp/flotilla,abduld/gin,cention-mujibur-rahman/gin,nubunto/gin,hayd/gin,abduld/gin,jacobxk/gin,cention-mujibur-rahman/gin,weisd/gin,weisd/gin,aiyi/gin,gamescores/gin,marcelaraujo/gin,marcelaraujo/gin,jacobxk/gin,helight/helight_code,bfosberry/gin,michelangelo13/gin,JustinBeckwith/gin,calavera/gin,helight/helight_code,jithinjk/gin,hayd/gin,sanathb/gin,go-go/gin,sanathb/gin,agaurav/gin,jjz/gin,thinkerou/gin,AnuchitPrasertsang/gin,abduld/gin,VishvajitP/gin,helight/helight_code,marcelaraujo/gin,helight/helight_code,agaurav/gin,cch123/gin,0prototype/gin,thrisp/flotilla,helight/helight_code,CodyGuo/gin,cention-mujibur-rahman/gin,gaowenbin/gin,b54898533/gin,JustinBeckwith/gin,agaurav/gin,adwinsky/gin,bfosberry/gin,JustinBeckwith/gin,jacobxk/gin,sosedoff/gin,helight/helight_code,dayed/gin,tvmaly/gin,helight/helight_code,disintegrator/gin,sanathb/gin,AnuchitPrasertsang/gin,hayd/gin,jithinjk/gin,weisd/gin,jimmykuo/gin,adwinsky/gin,helight/helight_code,helight/helight_code,henrylee2cn/gin,michelangelo13/gin