Examine source code of Swords Proxy

{
  "manifest_version": 2,
  "name": "swords-proxy",
  "description": "a lightweight and efficient web browser extension for managing proxy settings with ease.",
  "version": "0.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "proxy",
    "storage",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0",
      "id": "{776848ff-5e52-4289-ba96-b91458a38416}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "browser_action": {}
}