Examine source code of Voz Love

{
  "manifest_version": 2,
  "name": "Voz Love",
  "version": "1.10.13",
  "applications": {
    "gecko": {
      "id": "vozlove@nmtrung.com",
      "strict_min_version": "53.0"
    }
  },
  "default_locale": "en",
  "description": "__MSG_extDes__",
  "icons": {
    "16": "public/images/icon16.png",
    "48": "public/images/icon48.png",
    "128": "public/images/icon128.png"
  },
  "author": "nmtrung",
  "background": {
    "page": "background.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://forums.voz.vn/*"
      ],
      "css": [
        "public/css/style.css"
      ],
      "js": [
        "public/js/next.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://forums.voz.vn/*"
      ],
      "js": [
        "public/js/manifest.js",
        "public/js/vendor.js",
        "public/js/app.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "permissions": [
    "notifications",
    "storage",
    "tabs",
    "cookies",
    "contextMenus",
    "idle",
    "*://forums.voz.vn/*",
    "*://*.pik.vn/*",
    "*://api.imgur.com/*"
  ],
  "web_accessible_resources": [
    "public/images/ex-link.png"
  ]
}