Examine source code of MediLookup

{
  "manifest_version": 3,
  "name": "MediLookup",
  "version": "1.0",
  "description": "Quickly search for medicine information by name.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "medilookup@example.com",
      "strict_min_version": "58.0"
    }
  }
}