refactor project structure

core/src/migrate.load

@@ -0,0 +1,7 @@
+load database
+     from sqlite://{sqlite_path}
+     into postgresql://root@unix:/var/run/postgresql:5432/secrets
+
+ with include no drop, truncate, reset sequences, data only, workers = 1, concurrency = 1, max parallel create index = 1, batch rows = {batch_rows}, prefetch rows = {prefetch_rows}
+
+  excluding table names like '_sqlx_migrations', 'notifications';