add add_admin migration

migrations/0009_add_admin.sql

@@ -0,0 +1,10 @@
+-- Migration number: 0009    2023-02-28T13:58:08.319Z
+
+ALTER TABLE actors
+  ADD is_admin INTEGER;
+
+UPDATE actors SET is_admin = 1
+WHERE id = 
+    (SELECT id
+    FROM actors
+    ORDER BY  cdate ASC LIMIT 1 );