feat: initialize VPS fleet manager with server management functionality

- Add package.json for project metadata and dependencies
- Create server.js for API endpoints and server logic
- Implement data persistence using JSON file for server information
- Add HTML frontend (vps_manager.html) for server management interface
- Include Leaflet for map visualization of server locations
- Create start.bat for easy server startup on Windows

package.json

@@ -0,0 +1,12 @@
+{
+  "name": "vps-manager",
+  "version": "1.0.0",
+  "description": "VPS fleet manager with persistent storage",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2"
+  }
+}