Examine source code of Hide Facebook Videos

{
  "manifest_version": 2,
  "name": "Facebook Video & Reel Blocker",
  "version": "2.1",
  "description": "Block Facebook videos and reels with customizable options",
  "permissions": [
    "storage",
    "tabs",
    "*://*.facebook.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4f402d4b-7353-49c9-89d8-689acea06272}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "FB Blocker",
    "default_icon": {
      "16": "icons/icon.jpeg",
      "48": "icons/icon.jpeg",
      "128": "icons/icon.jpeg"
    }
  },
  "icons": {
    "16": "icons/icon.jpeg",
    "48": "icons/icon.jpeg",
    "128": "icons/icon.jpeg"
  }
}