Examine source code of ArchiveBox

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "3.2.3",
  "icons": {
    "16": "/icon/16.png",
    "32": "/icon/32.png",
    "48": "/icon/48.png",
    "128": "/icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "unlimitedStorage"
  ],
  "optional_permissions": [
    "cookies",
    "history",
    "bookmarks",
    "tabs",
    "scripting"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icon/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "action": {
    "default_title": "ArchiveBox",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/icon/16.png",
      "32": "/icon/32.png",
      "48": "/icon/48.png",
      "128": "/icon/128.png"
    }
  },
  "commands": {
    "save-to-archivebox-action": {
      "description": "__MSG_commandSaveToArchiveBox__",
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "Command+Shift+X"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "archivebox@tjhorner.dev",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ],
        "optional": [
          "bookmarksInfo",
          "websiteContent"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  }
}