update docs for context.Abort
update docs for context.Abort

The docs were a little unclear as to how to use Abort, and how it will affect the current handler.
gin-gonic/gin,jithinjk/gin,helight/helight_code,helight/helight_code,jithinjk/gin,helight/helight_code,helight/helight_code,helight/helight_code,sosedoff/gin,helight/helight_code,thinkerou/gin,helight/helight_code,helight/helight_code,helight/helight_code