201 response code

app/http.go

@@ -33,6 +33,7 @@ var (
 	BadRequest = HttpCode{Code: 400, Message: "Bad Response"}
 	NotFound   = HttpCode{Code: 404, Message: "Not Found"}
 	OK         = HttpCode{Code: 200, Message: "OK"}
+	Created    = HttpCode{Code: 201, Message: "Created"}
 )
 
 type Response struct {

app/server.go

@@ -142,7 +142,7 @@ func main() {
 				method: "POST",
 				handler: func(req Request, matches []string) Response {
 					writeFile(matches[1], []byte(req.Body))
-					return Response{Version: req.Version, Code: OK}
+					return Response{Version: req.Version, Code: Created}
 				},
 			},
 		},