add delete argument to purge script to manually delete a room

purge/matrixpurge.sh

@@ -252,6 +252,11 @@ get_admin_token
   exit 0
 }
 
+[ "${1}" = "delete" ] && [ "${2}" != "" ] && {
+  purge_room "${2}"
+  exit 0
+}
+
 check_rooms
 disable_ratelimit
 check_api_rooms