The first commit, the core and all files is adding to repo

app/pair/page.tsx

@@ -0,0 +1,32 @@
+import { Header, Footer } from "@/components/Shell";
+import { Pairing } from "@/components/Pairing";
+import { SignIn } from "@/components/SignIn";
+import { user } from "@/lib/supabase";
+export default async function Pair({
+  searchParams,
+}: {
+  searchParams: Promise<{ code?: string }>;
+}) {
+  const { code } = await searchParams;
+  const account = await user();
+  return (
+    <>
+      <Header />
+      <main className="section page-content">
+        {!account ? (
+          <>
+            <p className="muted">
+              Sign in first, then reopen the pairing link from Minecraft.
+            </p>
+            <SignIn />
+          </>
+        ) : code && /^[A-F0-9]{8}$/.test(code) ? (
+          <Pairing code={code} />
+        ) : (
+          <p>Open the pairing link shown by your Fabric mod.</p>
+        )}
+      </main>
+      <Footer />
+    </>
+  );
+}