Examine source code of Mojibake Fix

{
  "manifest_version": 3,
  "name": "Fix broken CJK or other mojibake",
  "version": "0.1",
  "description": "See all transformations and pick the one you want",
  "icons": {
    "960": "icon.jpg"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Fix mojibake/garbled text"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "Command+Shift+M"
      },
      "description": "Open Mojibake Fixer Preview"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mojibake-fixer-void.foo@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "109.0"
    }
  }
}