Examine source code of Facebook Reels Blocker

{
  "manifest_version": 2,
  "name": "Facebook Reels Blocker",
  "version": "0.1.5",
  "description": "Blocks Facebook Reels from appearing in your feed",
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "*://*.facebook.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "facebook-reels-blocker@example.com",
      "strict_min_version": "102.0"
    },
    "gecko_android": {
      "id": "facebook-reels-blocker@example.com",
      "strict_min_version": "113.0"
    }
  }
}