Examine source code of PokeArtDex Stock Addon

{
  "manifest_version": 3,
  "name": "PokeArtDex Stock Addon",
  "version": "1.0.1",
  "description": "Add-on to the PokeArtDex extension that adds a Search In Stock button for supported sites. This lets you search for in stock Pokemon cards by artist.",
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "https://facetofacegames.com/*",
    "https://store.401games.ca/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "icons": {
    "512": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{584ef28a-3339-460d-b62e-9f5d77130bda}",
      "strict_min_version": "112.0"
    }
  }
}