Examine source code of Billfish

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "default_locale": "en",
  "version": "4.0.1",
  "description": "__MSG_desc__",
  "homepage_url": "https://www.billfish.cn/",
  "author": "Billfish",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "16": "assets/icons/16.png",
      "32": "assets/icons/32.png",
      "64": "assets/icons/64.png"
    },
    "default_title": "__MSG_name__",
    "default_popup": "popup/index.html"
  },
  "content_scripts": [
    {
      "all_frames": false,
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles/contentInject.css",
        "styles/scrollcapture.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "assets/*",
    "assets/icons/*",
    "edit/*",
    "file/*",
    "background.js",
    "policy.js",
    "loader.js",
    "kb-wasm.js",
    "kb-wasm.wasm",
    "swcache/*/*",
    "styles/*"
  ],
  "icons": {
    "16": "assets/icons/16.png",
    "32": "assets/icons/32.png",
    "48": "assets/icons/48.png",
    "64": "assets/icons/64.png",
    "128": "assets/icons/128.png",
    "256": "assets/icons/256.png",
    "512": "assets/icons/512.png",
    "1024": "assets/icons/1024.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "webRequest",
    "contextMenus",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kb-extension@example.com",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
}