Add HTTP handler in go.snippets

UltiSnips/go.snippets

@@ -111,6 +111,12 @@ func ${1:name}(${2:params})${3/(.+)/ /}${3:type} {
 }
 endsnippet
 
+snippet funch "HTTP handler" b
+func ${1:handler}(${2:w} http.ResponseWriter, ${3:r} *http.Request) {
+	${0:${VISUAL}}
+}
+endsnippet
+
 # types and variables
 snippet map "Map type" b
 map[${1:keytype}]${2:valtype}