Examine source code of OpenDyslexic for Firefox

{
  "name": "__MSG_appNameFirefox__",
  "version": "20.1.0",
  "manifest_version": 2,
  "description": "__MSG_appDescription__",
  "homepage_url": "https://opendyslexic.org",
  "icons": {
    "48": "assets/images/icons/icon-48.png",
    "128": "assets/images/icons/icon-128.png"
  },
  "browser_action": {
    "default_icon": "assets/images/icons/icon-128.png",
    "default_popup": "index.html"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "persistent": false
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "exclude_globs": [
        "*://docs.google.com/*"
      ],
      "all_frames": true
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "web_accessible_resources": [
    "assets/fonts/opendyslexic/OpenDyslexic-Bold.otf",
    "assets/fonts/opendyslexic/OpenDyslexic-BoldItalic.otf",
    "assets/fonts/opendyslexic/OpenDyslexic-Italic.otf",
    "assets/fonts/opendyslexic/OpenDyslexic-Regular.otf",
    "assets/fonts/opendyslexic/OpenDyslexicMono-Regular.otf",
    "assets/styles/core/opendyslexic-regular.css",
    "assets/styles/core/opendyslexic-bold.css",
    "assets/styles/core/opendyslexic-italic.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{759dbb01-b646-4327-bf9e-69ca2543ef8d}"
    }
  }
}