Change response data to JSON format in outcome.go

In the outcome.go file, the response data has been changed from a simple input assignment to a JSON format. This change is achieved by marshalling the input using the json.Marshal function.

lib/outcome/outcome.go

@@ -62,7 +62,7 @@ func Json(input any) *Response {
 		ContentType: fiber.MIMEApplicationJSONCharsetUTF8,
 		StatusCode:  200,
 	}
-	response.Data = input
+	response.Data, _ = json.Marshal(input)
 	return &response
 }