feat: add migration

internal/worker/sqlc.yaml

@@ -0,0 +1,16 @@
+version: "2"
+sql:
+  - queries: queries.sql
+    schema: ../persistence/migrations/
+    engine: "postgresql"
+    gen:
+      go:
+        out: "repositories"
+        package: "repositories"
+        sql_package: "sql/db"
+        emit_json_tags: true
+        emit_prepared_queries: true
+        emit_interface: true
+        emit_empty_slices: true
+        emit_result_struct_pointers: true
+        emit_params_struct_pointers: true