feat(types): add UserToken type for storing encrypted tokens

src/lib/types/UserToken.ts

@@ -0,0 +1,9 @@
+import type { Timestamps } from "./Timestamps";
+import type { ObjectId } from "mongodb";
+
+export interface UserToken extends Timestamps {
+	_id: ObjectId;
+	userId: ObjectId;
+	encryptedToken: string;
+	provider: "huggingface";
+}