Examine source code of Algorithmic Feed Blocker

{
  "manifest_version": 2,
  "name": "Algorithmic Feed Blocker",
  "version": "0.2.1",
  "description": "Minimal blocker that hides algorithmic feeds (For You, recommended, timelines) on X/Twitter, Reddit, YouTube, TikTok, and Instagram.",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{172d0c9c-4c4d-4f78-8afa-02b034282b0f}"
    }
  },
  "browser_action": {
    "default_title": "Algorithmic Feed Blocker",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://twitter.com/*",
        "*://*.x.com/*",
        "*://x.com/*",
        "*://*.reddit.com/*",
        "*://reddit.com/*",
        "*://*.youtube.com/*",
        "*://youtube.com/*",
        "*://*.tiktok.com/*",
        "*://tiktok.com/*",
        "*://*.instagram.com/*",
        "*://instagram.com/*"
      ],
      "js": [
        "algoblock-content.js"
      ],
      "run_at": "document_start"
    }
  ]
}