Examine source code of SupahGigi

{
  "manifest_version": 2,
  "name": "SupahGigi",
  "version": "1.0",
  "description": "Sempre al top",
  "icons": {
    "48": "icons/pic.png"
  },
  "background": {
    "scripts": [
      "land.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "meet_reload.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "gigistyle.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/pic16.png",
      "32": "icons/pic32.png"
    }
  }
}