Examine source code of F.B. Sponsored/Ad Post Blocker

{
  "manifest_version": 3,
  "name": "F.B. Sponsored/Ad Post Blocker",
  "version": "1.1.50",
  "description": "Hides sponsored ads, \"Suggested for You\" posts, and posts from Pages/Groups you don't follow, from your Facebook feed.",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.facebook.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon.svg"
    },
    "default_title": "F.B. Sponsored/Ad Post Blocker"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{03db6d98-0a7b-4cf9-b274-43da2000a9d5}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "120.0"
    }
  }
}