Examine source code of Diskorso web clipper

{
  "manifest_version": 3,
  "name": "Diskorso web clipper",
  "description": "A web clipper for Diskorso",
  "version": "1.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{969f9e42-c277-462a-bbd2-5164dd2e44f4}"
    }
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_title": "Web clipper for Diskorso",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://api.diskorso.org/*"
      ],
      "js": [
        "popup.js"
      ]
    }
  ]
}