Examine source code of Doomscroll Control

{
  "manifest_version": 3,
  "name": "Doomscroll Control",
  "version": "1.2.1",
  "description": "A solution to the trap of mindlessly scrolling on doomscroll websites like reddit, tiktok, twitter, bluesky etc.",
  "homepage_url": "https://github.com/GitHub-Kiwi/Doomscroll_control",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "alarms",
    "storage",
    "activeTab"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "contentscript.html"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "contentscript.js"
      ],
      "css": [
        "doomscroll.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "backgroundscript.js"
    ]
  },
  "action": {
    "default_icon": "icon.png",
    "default_title": "Doomscroll Control",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "doomscroll@control.com"
    }
  }
}