examples: add MCP Apps arcade server (#346)

examples/arcade-server/package.json

@@ -0,0 +1,46 @@
+{
+  "name": "@modelcontextprotocol/server-arcade",
+  "version": "0.4.1",
+  "type": "module",
+  "description": "MCP Apps server for playing arcade games (archive.org)",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/modelcontextprotocol/ext-apps",
+    "directory": "examples/arcade-server"
+  },
+  "license": "MIT",
+  "main": "dist/server.js",
+  "types": "dist/server.d.ts",
+  "bin": {
+    "mcp-server-arcade": "dist/index.js"
+  },
+  "files": [
+    "dist"
+  ],
+  "exports": {
+    ".": {
+      "types": "./dist/server.d.ts",
+      "default": "./dist/server.js"
+    }
+  },
+  "scripts": {
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "dev": "tsx index.ts",
+    "prepublishOnly": "npm run build"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/ext-apps": "^1.0.1",
+    "@modelcontextprotocol/sdk": "^1.24.0",
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "zod": "^4.1.13"
+  },
+  "devDependencies": {
+    "@types/cors": "^2.8.19",
+    "@types/express": "^5.0.0",
+    "@types/node": "^22.0.0",
+    "tsx": "^4.7.0",
+    "typescript": "^5.9.3"
+  }
+}