Examine source code of Quote Booster

{
  "manifest_version": 2,
  "name": "Quote Booster",
  "version": "1.0",
  "description": "Displays a random motivational quote every time you open the popup.",
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon128.png"
    }
  },
  "icons": {
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{96481673-6357-4810-b6b4-dd66d90a4b96}"
    }
  }
}