Examine source code of Prompt Generator

{
  "manifest_version": 2,
  "name": "Prompt Generator",
  "version": "1.0",
  "description": "Generate text prompts with style and options.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0149d92f-a428-48e6-b9b2-75a8313d893a}"
    }
  }
}