Examine source code of Translit

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "version": "1.2.4",
  "default_locale": "en",
  "description": "__MSG_appDesc__",
  "developer": {
    "name": "Nikita 'donnikitos' Nitichevski",
    "url": "https://donnikitos.com/"
  },
  "author": "Nikita 'donnikitos' Nitichevski",
  "icons": {
    "128": "dist/assets/icon.png"
  },
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "dist/scripts/background.js"
    ]
  },
  "page_action": {
    "browser_style": true,
    "default_icon": "dist/assets/icon.png",
    "default_title": "Translit"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "match_about_blank": true,
      "all_frames": true,
      "run_at": "document_idle",
      "js": [
        "dist/scripts/translit.js"
      ]
    }
  ],
  "commands": {
    "_execute_page_action": {
      "suggested_key": {
        "default": "Alt+W"
      }
    }
  }
}