Reorganise code - use src folder

src/app/api/trpc/[trpc]/route.ts

@@ -0,0 +1,21 @@
+import {
+  FetchCreateContextFnOptions,
+  fetchRequestHandler,
+} from "@trpc/server/adapters/fetch";
+
+import { appRouter } from "@/server/appRouter";
+
+const handler = (request: Request) => {
+  return fetchRequestHandler({
+    endpoint: "/api/trpc",
+    req: request,
+    router: appRouter,
+    createContext: function (
+      opts: FetchCreateContextFnOptions,
+    ): object | Promise<object> {
+      return {};
+    },
+  });
+};
+
+export { handler as GET, handler as POST };