Merge pull request 'add color to required' (#2) from mertoalex/ballsoffline:main into main

Reviewed-on: gnawmon/ballsoffline#2

errorhandling.go

@@ -16,7 +16,7 @@ func checkValid(something any) bool {
 }
 
 func checkUserDataValid(userdata map[string]interface{}) {
-	for _, data := range []string{"username"} {
+	for _, data := range []string{"username", "color"} {
 		if !checkValid(userdata[data]) {
 			panic(fmt.Sprint("\"", data, "\" isn't defined in userdata:\n", userdata))
 		}