Examine source code of Enlight

{
  "manifest_version": 2,
  "name": "Enlight",
  "version": "2.7.11.0",
  "homepage_url": "https://github.com/Qeole/Enlight",
  "description": "__MSG_description__",
  "default_locale": "en",
  "icons": {
    "64": "icons/spot64.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_title": "Enlight",
    "default_popup": "popup/languages.html",
    "theme_icons": [
      {
        "dark": "icons/lightbulb-dark.svg",
        "light": "icons/lightbulb-light.svg",
        "size": 64
      }
    ]
  },
  "background": {
    "page": "scripts/background.html"
  },
  "options_ui": {
    "browser_style": true,
    "page": "options/ui.html"
  },
  "permissions": [
    "<all_urls>",
    "activeTab",
    "tabs",
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "enlight_highlightjs@jetpack",
      "strict_min_version": "57.0"
    }
  }
}