Almost finish implementing client side

Client/app/routes.ts

@@ -0,0 +1,8 @@
+import { type RouteConfig, index, route } from "@react-router/dev/routes";
+
+export default [
+    index("routes/posts.tsx"),
+    //route("posts", "routes/posts/posts.tsx"),
+    route("posts/:id", "routes/post.tsx"),
+    route("tags", "routes/tags.tsx"),
+] satisfies RouteConfig;