add basic repo setup, with user creation

src/services/router.ts

@@ -0,0 +1,32 @@
+import {
+  FastifyBaseLogger,
+  FastifyInstance,
+  FastifyPluginAsync,
+  RawReplyDefaultExpression,
+  RawRequestDefaultExpression,
+  RawServerBase,
+} from 'fastify';
+import { ZodTypeProvider } from 'fastify-type-provider-zod';
+
+export type Instance = FastifyInstance<
+  RawServerBase,
+  RawRequestDefaultExpression<RawServerBase>,
+  RawReplyDefaultExpression<RawServerBase>,
+  FastifyBaseLogger,
+  ZodTypeProvider
+>;
+export type RegisterPlugin = FastifyPluginAsync<
+  Record<never, never>,
+  RawServerBase,
+  ZodTypeProvider
+>;
+
+export function makeRouter(cb: (app: Instance) => void): {
+  register: RegisterPlugin;
+} {
+  return {
+    register: async (app) => {
+      cb(app);
+    },
+  };
+}