Examine source code of Study At Home

{
  "manifest_version": 3,
  "name": "Study At Home",
  "version": "1.1",
  "description": "Download pdfs on your favourite study forum",
  "permissions": [
    "activeTab",
    "contextMenus",
    "scripting"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sah@jan-dav.id",
      "strict_min_version": "48.0"
    }
  }
}