Examine source code of Save In

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "4.0.1",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{72d92df5-2aa0-4b06-b807-aa21767545cd}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "browsingActivity",
          "websiteActivity",
          "websiteContent"
        ]
      }
    }
  },
  "homepage_url": "https://github.com/gyng/save-in",
  "minimum_chrome_version": "123",
  "incognito": "spanning",
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.sw.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "contextMenus",
    "declarativeNetRequestWithHostAccess",
    "downloads",
    "notifications",
    "storage",
    "offscreen"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "action": {
    "default_title": "__MSG_manifestActionListPageSources__",
    "default_icon": {
      "48": "icons/ic_archive_black_48px.png",
      "96": "icons/ic_archive_black_96px.png"
    }
  },
  "commands": {
    "toggle-source-panel": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "__MSG_manifestCommandTogglePageSources__"
    },
    "quick-save": {
      "description": "__MSG_manifestCommandQuickSave__"
    }
  },
  "icons": {
    "48": "icons/ic_archive_black_48px.png",
    "96": "icons/ic_archive_black_96px.png",
    "128": "icons/ic_archive_black_128px.png"
  }
}