Examine source code of CorreQueVuelan

{
  "description": "Corre que vuelan ... las bicimads cercanas a ti",
  "manifest_version": 3,
  "name": "CorreQueVuelan",
  "version": "0.1.4",
  "homepage_url": "https://github.com/jagedn/corre-que-vuelan-addon",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    },
    "default_title": ""
  },
  "options_ui": {
    "page": "config/index.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "corre-que-vuelan@aguilera.soy"
    }
  },
  "background": {
    "scripts": [
      "background-script.js"
    ],
    "type": "module"
  },
  "host_permissions": [
    "https://openapi.emtmadrid.es/*"
  ]
}