Examine source code of Twitch Live Dashboard

{
  "manifest_version": 3,
  "name": "Twitch Live Dashboard",
  "version": "1.0.0",
  "description": "A premium, dark-mode Twitch live stream checker. View followed channels, get notifications, and track stream uptime.",
  "permissions": [
    "identity",
    "storage",
    "alarms",
    "notifications",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "https://api.twitch.tv/*",
    "https://id.twitch.tv/*",
    "https://player.twitch.tv/*",
    "https://embed.twitch.tv/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.svg"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "twitch-live-dashboard@twitchlite.ext",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; frame-src https://player.twitch.tv https://embed.twitch.tv;"
  }
}