adding comment on handler

main.go

@@ -15,7 +15,7 @@ func main(){
 	if port == "" {
 		log.Fatal("PORT must be set")
 	}
-	A.GetCommits()
+	A.GetCommits() 		// calling handler from commits
 	log.Fatal(http.ListenAndServe(":"+port, nil))
 
 }