How-to-Contribute.md

@@ -45,4 +45,5 @@ A [pull request](https://github.com/FAForever/db/issues?q=is%3Apr+is%3Aclosed) t
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 ``` 
+* Consider adding data for development https://github.com/FAForever/db/blob/develop/test-data.sql
 * Be familiar with [Database normalization](https://www.wikiwand.com/en/Database_normalization)
\ No newline at end of file