Examine source code of Prod Guard

{
  "manifest_version": 3,
  "name": "Prod Guard",
  "description": "Warns you when you are connected to production. Never accidentally make changes to production.",
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js",
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Configure Prod Guard",
    "default_icon": {
      "16": "icon/icon-dark-16.png",
      "24": "icon/icon-dark-24.png",
      "32": "icon/icon-dark-32.png",
      "48": "icon/icon-dark-48.png",
      "64": "icon/icon-dark-64.png",
      "96": "icon/icon-dark-96.png",
      "128": "icon/icon-dark-128.png"
    },
    "theme_icons": [
      {
        "size": 16,
        "light": "icon/icon-light-16.png",
        "dark": "icon/icon-dark-16.png"
      },
      {
        "size": 24,
        "light": "icon/icon-light-24.png",
        "dark": "icon/icon-dark-24.png"
      },
      {
        "size": 32,
        "light": "icon/icon-light-32.png",
        "dark": "icon/icon-dark-32.png"
      },
      {
        "size": 48,
        "light": "icon/icon-light-48.png",
        "dark": "icon/icon-dark-48.png"
      },
      {
        "size": 64,
        "light": "icon/icon-light-64.png",
        "dark": "icon/icon-dark-64.png"
      },
      {
        "size": 96,
        "light": "icon/icon-light-96.png",
        "dark": "icon/icon-dark-96.png"
      },
      {
        "size": 128,
        "light": "icon/icon-light-128.png",
        "dark": "icon/icon-dark-128.png"
      }
    ]
  },
  "permissions": [
    "storage",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "minimum_chrome_version": "121",
  "browser_specific_settings": {
    "gecko": {
      "id": "dev-prog-guard-extension@example.com",
      "strict_min_version": "112.0"
    }
  },
  "version": "2.1.0",
  "icons": {
    "16": "icon/icon-dark-16.png",
    "24": "icon/icon-dark-24.png",
    "32": "icon/icon-dark-32.png",
    "48": "icon/icon-dark-48.png",
    "64": "icon/icon-dark-64.png",
    "96": "icon/icon-dark-96.png",
    "128": "icon/icon-dark-128.png"
  }
}