Examine source code of Notion Web Clipper

{
  "default": {
    "manifest_version": 2,
    "name": "__MSG_webClipperExtension_name__",
    "version": "0.0.0",
    "description": "__MSG_webClipperExtension_description__",
    "icons": {
      "32": "icon-32.png",
      "128": "icon-128.png"
    },
    "browser_action": {
      "default_icon": {
        "32": "icon-32.png",
        "128": "icon-128.png"
      },
      "default_title": "__MSG_webClipperExtension_keyboardShortcutAction__",
      "default_popup": "index.html"
    },
    "commands": {
      "_execute_browser_action": {
        "suggested_key": {
          "windows": "Ctrl+Shift+K",
          "mac": "Command+Shift+K",
          "chromeos": "Ctrl+Shift+K",
          "linux": "Ctrl+Shift+K"
        },
        "description": "__MSG_webClipperExtension_keyboardShortcutAction__"
      }
    },
    "content_security_policy": "script-src 'self'; object-src 'self'",
    "permissions": [
      "activeTab",
      "storage",
      "cookies",
      "https://*.notion.so/*",
      "https://*.notion.so/",
      "https://*.notion.so/*"
    ],
    "default_locale": "en"
  },
  "manifest_version": 2,
  "name": "__MSG_webClipperExtension_name__",
  "version": "0.3.2",
  "description": "__MSG_webClipperExtension_description__",
  "icons": {
    "32": "icon-32.png",
    "128": "icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "32": "icon-32.png",
      "128": "icon-128.png"
    },
    "default_title": "__MSG_webClipperExtension_keyboardShortcutAction__",
    "default_popup": "index.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "windows": "Ctrl+Shift+K",
        "mac": "Command+Shift+K",
        "chromeos": "Ctrl+Shift+K",
        "linux": "Ctrl+Shift+K"
      },
      "description": "__MSG_webClipperExtension_keyboardShortcutAction__"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "https://*.notion.so/",
    "https://*.notion.so/*"
  ],
  "default_locale": "en"
}