Examine source code of WiKarte

{
  "manifest_version": 3,
  "name": "WiKarte",
  "version": "1.29.0",
  "description": "Shows willhaben.at listings on an interactive map side panel",
  "content_scripts": [
    {
      "matches": [
        "*://*.willhaben.at/*"
      ],
      "js": [
        "src/content/page-intercept.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "*://*.willhaben.at/*"
      ],
      "js": [
        "src/content/content.js"
      ],
      "css": [
        "src/content/styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/map/map.html",
        "src/vendor/*",
        "src/vendor/images/*",
        "src/data/postcodes.js",
        "src/data/austria-border.js",
        "src/data/vienna-districts.js"
      ],
      "matches": [
        "*://*.willhaben.at/*"
      ]
    }
  ],
  "icons": {
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "wikarte@faltintas.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}