Examine source code of MakersPreview

{
  "manifest_version": 3,
  "name": "MakersPreview",
  "version": "1.0.0",
  "description": "MakersPreview Web Browser Extension",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "64": "images/icon-64.png",
    "128": "images/icon-128.png",
    "256": "images/icon-256.png",
    "512": "images/icon-512.png"
  },
  "permissions": [
    "downloads",
    "nativeMessaging",
    "tabs",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://*.printables.com/*"
  ],
  "background": {
    "scripts": [
      "transliteration.min.js",
      "printables.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "makerspreview-firefox@whimwild.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}