refactor: move into monorepo

packages/shared/src/mutators.ts

@@ -0,0 +1,18 @@
+import type { Transaction } from "@rocicorp/zero";
+import type { AuthData } from "./auth";
+import type { Schema } from ".";
+
+type Tx = Transaction<Schema>;
+
+export function createMutators(authData: AuthData | null) {
+  return {
+    link: {
+      async create() {},
+      async get(tx: Tx, { link_token }: { link_token: string }) {},
+      async updateTransactions() {},
+      async updateBalences() {},
+    }
+  } as const;
+}
+
+export type Mutators = ReturnType<typeof createMutators>;