Examine source code of RSS Quick View

{
  "manifest_version": 2,
  "name": "RSS Quick View",
  "version": "1.0",
  "description": "View and manage your RSS feeds quickly from the toolbar.",
  "applications": {
    "gecko": {
      "id": "{4d3f0e90-cc0d-472a-be60-6e9df7a2c4ca}",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "storage",
    "https://*/",
    "http://*/"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "RSS Quick View",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  }
}