Examine source code of ATab 新标签页

{
  "manifest_version": 3,
  "name": "A-Tab 新标签页",
  "version": "1.3.8",
  "description": "自定义新标签页，支持桌面图标、小组件、收藏管理、壁纸和云备份。",
  "browser_specific_settings": {
    "gecko": {
      "id": "spt20220202@gmail.com",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  },
  "permissions": [
    "storage",
    "tabs",
    "contextualIdentities",
    "cookies",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "*://push2his.eastmoney.com/*",
    "*://push2.eastmoney.com/*",
    "*://searchapi.eastmoney.com/*",
    "*://qt.gtimg.cn/*",
    "*://*.bing.com/*",
    "*://*.google.com/*",
    "*://*.gstatic.com/*",
    "*://icons.duckduckgo.com/*"
  ],
  "optional_host_permissions": [
    "https://dav.jianguoyun.com/*",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "atab.collections.store.js",
        "atab.collections.content.js"
      ],
      "css": [
        "styles/domains-collections-content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src https: http:;"
  },
  "icons": {
    "16": "assets/icons/icon-dock16.png",
    "48": "assets/icons/icon-dock48.png",
    "128": "assets/icons/icon-dock128.png"
  },
  "action": {
    "default_title": "添加到 A-Tab",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icons/icon-dock16.png",
      "48": "assets/icons/icon-dock48.png",
      "128": "assets/icons/icon-dock128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "collection-modal.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}