Examine source code of PROXR — Proxy Protocol

{
  "manifest_version": 3,
  "name": "PROXR — Proxy Protocol",
  "version": "1.5.1",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestAuthProvider",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://proxr.network/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "proxr-protocol@printr.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}