Examine source code of Latynka UA

{
  "manifest_version": 2,
  "name": "Latynka UA",
  "version": "1.0",
  "description": "Converts the cyryllic writing of Ukrainian language to latin-based. So-called Ukrajin'ska Latynka.",
  "icons": {
    "16": "icons/latynka-16.png",
    "24": "icons/latynka-24.png",
    "32": "icons/latynka-32.png",
    "48": "icons/latynka-48.png",
    "96": "icons/latynka-96.png",
    "128": "icons/latynka-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "latynka_ua@example.com"
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "browserSettings"
  ],
  "browser_action": {
    "default_icon": "icons/latynka-32.png",
    "default_title": "LatynkaUA",
    "default_popup": "popup/latynka_settings.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "latynka_ua.js"
      ],
      "run_at": "document_idle"
    }
  ]
}