added ExecStartPre directive to gitea service file to regenerate authorized_keys

gitea/assets/gitea.service

@@ -19,6 +19,7 @@ WorkingDirectory=/var/lib/gitea/
 # If using Unix socket: tells systemd to create the /run/gitea folder, which will contain the gitea.sock file
 # (manually creating /run/gitea doesn't work, because it would not persist across reboots)
 #RuntimeDirectory=gitea
+ExecStartPre=/usr/local/bin/gitea --config /etc/gitea/app.ini admin regenerate keys
 ExecStart=/usr/local/bin/gitea web --config /etc/gitea/app.ini
 Restart=always
 Environment=USER=gitea HOME=/var/lib/gitea GITEA_WORK_DIR=/var/lib/gitea