Examine source code of triageoostende

{
  "manifest_version": 2,
  "name": "triageoostende",
  "description": "This will automatically fill mediris forms with predefined data.",
  "version": "80.0.1",
  "default_locale": "en",
  "author": "pieter",
  "icons": {
    "16": "image/icon16.png",
    "32": "image/icon32.png",
    "48": "image/icon48.png",
    "64": "image/icon64.png",
    "128": "image/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://middenkust.mediris.be/Consultatie/New/*"
      ],
      "js": [
        "fill_this_form.js",
        "vendor/jquery.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "clipboardRead",
    "clipboardWrite",
    "menus",
    "notifications",
    "storage"
  ]
}