Examine source code of CodeBabel.io

{
  "description": "Easy CodeBabel Mozilla Add-ons.",
  "manifest_version": 2,
  "name": "CodeBabel.io",
  "version": "0.0.1",
  "icons": {
    "48": "icons/icon48.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/icon32.png",
    "theme_icons": [
      {
        "light": "icons/icon32-light.png",
        "dark": "icons/icon32.png",
        "size": 32
      }
    ],
    "default_title": "CodeBabel.oi",
    "default_popup": "popup/popup.html"
  },
  "web_accessible_resources": [
    "assets/*.png",
    "icons/*.png",
    "*.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{287cbc55-87e8-4fdf-9e10-a1c083c41e8e}"
    }
  }
}