Examine source code of Promedico-ASP Upgrades

{
  "manifest_version": 2,
  "name": "Promedico-ASP Upgrades",
  "description": "Verbeter uw HIS, verwijs sneller, verwerk post sneller",
  "version": "1.62",
  "browser_specific_settings": {
    "gecko": {
      "id": "{00a24401-d195-4eb9-b01b-7b38c491f07e}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Extensie instellingen"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.promedico-asp.nl/*",
        "https://*.sendiapp.nl/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "icons": {
    "32": "icon-32.png",
    "48": "icon-48.png",
    "64": "icon-64.png",
    "96": "icon-96.png",
    "128": "icon-128.png"
  }
}