Examine source code of Roam Proxy

{
  "manifest_version" : 3 ,
  "name" : "__MSG_ext_name__" ,
  "description" : "__MSG_ext_desc__" ,
  "version" : "1.0.0",
  "default_locale" : "en" ,
  "homepage_url" : "https://roamproxy.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "roam-proxy@roamproxy.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  },
  "icons" : {
    "16" : "icons/16.png",
    "32" : "icons/32.png",
    "48" : "icons/48.png",
    "128" : "icons/128.png"
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_icon" : {
      "16" : "icons/16.png",
      "32" : "icons/32.png"
    }
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "permissions" : [
    "proxy" ,
    "storage" ,
    "webRequest" ,
    "webRequestBlocking" 
  ],
  "host_permissions" : [
    "<all_urls>" 
  ]
}