Examine source code of sfoxesame

{
  "manifest_version": 2,
  "name": "sfoxesame",
  "version": "1.0",
  "description": "Sesame firefox edition kinda not really",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/logo_16.png",
      "32": "images/logo_32.png",
      "48": "images/logo_48.png",
      "128": "images/logo_128.png"
    },
    "default_popup": "index.html"
  },
  "icons": {
    "16": "images/logo_16.png",
    "32": "images/logo_32.png",
    "48": "images/logo_48.png",
    "128": "images/logo_128.png"
  },
  "web_accessible_resources": [
    "Poppins-Regular.ttf"
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sfoxesame@shell"
    }
  }
}