Examine source code of VPN Safe Proxy

{
  "manifest_version" : 3 ,
  "name" : "VPNSafe.net Proxy",
  "version" : "3.0.3",
  "description" : "VPNSafe.net proxy with split tunneling, ad blocking, and WebRTC leak protection",
  "icons" : {
    "16" : "icon.png",
    "32" : "icon.png",
    "48" : "icon.png",
    "128" : "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "proxy@vpnsafe.net",
      "strict_min_version": "115.0"
    }
  },
  "permissions" : [
    "proxy" ,
    "storage" ,
    "privacy" ,
    "declarativeNetRequest" 
  ],
  "host_permissions" : [
    "<all_urls>" 
  ],
  "declarative_net_request" : {
    "rule_resources": [
      {
        "id": "ads",
        "enabled": false,
        "path": "rules/ads.json"
      }
    ]
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_icon" : "icon.png"
  }
}