Examine source code of Hide WhatsApp Web Buttons

{
  "manifest_version": 2,
  "name": "Hide WhatsApp Web Buttons",
  "description": "A simple browser extension to hide WhatsApp Web's Status, Channels, and Communities buttons - UNOFFICIAL",
  "version": "4.5.6",
  "icons": {
    "16": "/Icons/icon-16.png",
    "48": "/Icons/icon-48.png",
    "128": "/Icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://web.whatsapp.com/"
      ],
      "js": [
        "/content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/Icons/icon-16.png",
      "48": "/Icons/icon-48.png",
      "128": "/Icons/icon-128.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ea7cb967-a5b1-409d-bfd3-ef455e85a0a2}",
      "strict_min_version": "112.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}