Examine source code of ErikrafT Drop

{
  "manifest_version": 2,
  "name": "ErikrafT Drop",
  "version": "3.0",
  "description": "Compartilhe arquivos com facilidade usando o ErikrafT Drop.",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs",
    "https://drop.erikraft.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "erikraft43@gmail.com",
      "strict_min_version": "109.0"
    },
    "gecko_android": {
      "strict_min_version": "109.0"
    }
  }
}