Update .gitignore, add dist directory

dist/utils/append-default-fields-to-db-schema.d.ts

@@ -0,0 +1,6 @@
+import { type BUN_MARIADB_DatabaseSchemaType } from "../types";
+type Params = {
+    dbSchema: BUN_MARIADB_DatabaseSchemaType;
+};
+export default function ({ dbSchema }: Params): BUN_MARIADB_DatabaseSchemaType;
+export {};