feat: sql queries were written and used to generate queries.go

modules/sql/sqlc.yaml

@@ -0,0 +1,14 @@
+version: "2"
+sql:
+  - engine: "postgresql"
+    queries: "query.sql"
+    schema: "scheme.sql"
+    gen:
+      go:
+        package: "nyanimedb_backend"
+        out: "sqlc"
+        sql_package: "pgx/v5"
+        sql_driver: "github.com/lib/pq"
+        emit_db_tags: true
+        emit_exact_table_names: true
+        emit_json_tags: true