Examine source code of AutoWipe

{
  "manifest_version": 3,
  "name": "AutoWipe",
  "description": "Automatically clear browsing data (cookies, localStorage, etc.) per domain with configurable rules.",
  "version": "0.0.0.4",
  "browser_specific_settings": {
    "gecko": {
      "id": "autoclear-extension@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "cookies",
    "browsingData",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "128.png"
    }
  },
  "icons": {
    "128": "128.png"
  },
  "commands": {
    "clear-current-site": {
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "Command+Shift+X"
      },
      "description": "Clear storage for the current site"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}