Addition and changes

This app_config key/value exists in the 3.0.2_to_3.1.0 upgrade script but not in tables.sql
Custom values changed to varchar 255 and allowing null to match change in update scripts.
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Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f