Add common module managing common services and scripts (act_runner, create/restore backups)

Fix script environment variables
Add Fefan configuration
Fix gateway services file provisionning through ssh

modules/apps/gitea/lib/scripts/restore-backup.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -euo pipefail
 
-source /opt/gitea/env.sh
+source /opt/environment/.env
 
 sudo -u postgres psql <<EOF
 DO \$\$
@@ -16,7 +16,7 @@ END
 \$\$;
 EOF
 
-LATEST_BACKUP=$(ls -1 $GITEA_BACKUPS_DIR/gitea-dump-*.zip 2>/dev/null | sort | tail -n1)
+LATEST_BACKUP=$(ls -1 $SERVICE_BACKUPS_DIR/$SERVICE_BACKUPS_PREFIX-*.$SERVICE_BACKUPS_EXTENSION 2>/dev/null | sort | tail -n1)
 
 if [ -n "$LATEST_BACKUP" ] && [ -f "$LATEST_BACKUP" ]; then
     TMP_DIR=$(mktemp -d)