Examine source code of Proxy-Switch

{
  "manifest_version": 2,
  "name": "Proxy-Switch",
  "version": "1.4.0",
  "description": "A proxy manager made by https://aitoolsets.net.",
  "icons": {
    "48": "icons/icon48.png"
  },
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "tabs",
    "<all_urls>",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": "icons/icon48.png",
    "default_title": "Proxy Switch",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "proxy-switch@aitoolsets.net",
      "strict_min_version": "100.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}