Add Proxmox MCP server with configurable permissions

- Node.js implementation matching other MCP servers
- Configurable permission levels via PROXMOX_ALLOW_ELEVATED
- Basic mode: node listing, VM status, cluster overview
- Elevated mode: detailed metrics, command execution
- Environment variable loading from .env file

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "mcp-proxmox-server",
+  "version": "1.0.0",
+  "description": "MCP server for Proxmox virtualization management",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "node --watch index.js"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/sdk": "^0.4.0",
+    "node-fetch": "^3.3.2",
+    "https": "^1.0.0"
+  },
+  "keywords": ["mcp", "proxmox", "virtualization", "vm", "devops"],
+  "author": "Dev Server Setup",
+  "license": "MIT"
+}