Added tag support + Post link and many more changes and optimizations.

pages/collections/[id].tsx

@@ -0,0 +1,11 @@
+import { useRouter } from "next/router";
+
+export default function () {
+  const router = useRouter();
+
+  const collectionId = Number(router.query.id);
+
+  console.log(collectionId);
+
+  return <div>{"HI"}</div>;
+}