Examine source code of FB-Reels-Blocker

{
  "manifest_version": 3,
  "name": "FB-Reels-Blocker",
  "version": "1.0",
  "description": "Blocks Facebook Reels on the Facebook website.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc82edb2-8ab5-4eb6-8f0d-c9b54fe1488c}"
    }
  }
}