feat: impl error catcher & 404 page

app/client/.env.example

@@ -0,0 +1,2 @@
+NEXT_PUBLIC_SENTRY_DSN=""
+SENTRY_ORG=""

app/client/components.json

@@ -0,0 +1,20 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "default",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "tailwind.config.ts",
+    "css": "src/app/globals.css",
+    "baseColor": "neutral",
+    "cssVariables": false,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  }
+}

app/client/next.config.mjs

@@ -1,4 +1,10 @@
 /** @type {import('next').NextConfig} */
+import { withSentryConfig } from "@sentry/nextjs";
 const nextConfig = {};
 
-export default nextConfig;
+export default withSentryConfig(nextConfig, {
+  org: process.env.SENTRY_ORG,
+  project: "javascript-nextjs",
+  authToken: process.env.SENTRY_AUTH_TOKEN,
+  silent: false, 
+});

app/client/package.json

@@ -9,19 +9,25 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@radix-ui/react-slot": "^1.1.0",
+    "@sentry/nextjs": "^8.41.0",
     "@starknet-react/chains": "^3.1.0",
     "@starknet-react/core": "^3.6.0",
     "blockies-ts": "^1.0.0",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
     "lucide-react": "^0.460.0",
     "next": "14.2.15",
     "react": "^18",
-    "react-dom": "^18",
     "react-calendar": "^5.1.0",
     "react-date-range": "^2.0.1",
+    "react-dom": "^18",
     "react-icons": "^5.3.0",
     "react-spinners": "^0.14.1",
     "starknet": "^6.11.0",
     "starknetkit": "^2.3.3",
+    "tailwind-merge": "^2.5.5",
+    "tailwindcss-animate": "^1.0.7",
     "zustand": "^5.0.1"
   },
   "devDependencies": {