Examine source code of Caido Extension

{
  "manifest_version": 2,
  "name": "Caido Extension",
  "description": "Browser extension to proxy to Caido",
  "version": "0.1.1",
  "icons": {
    "16": "/assets/images/icon_16x16.png",
    "32": "/assets/images/icon_32x32.png",
    "48": "/assets/images/icon_48x48.png",
    "128": "/assets/images/icon_128x128.png"
  },
  "permissions": [
    "proxy",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@caido.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Caido",
    "default_popup": "popup.html"
  }
}