Examine source code of Ayaka NewTab

{
  "manifest_version": 3,
  "name": "Ayaka NewTab",
  "version": "2.0.0",
  "description": "Wallpaper Engine-style new tab by AyakaMods. Animated scenes, mouse parallax, audio visualizer, playlist & crossfade. Made by Senku Aoki.",
  "browser_specific_settings": {
    "gecko": {
      "id": "ayaka-newtab@ayakamods.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src https://fonts.gstatic.com; img-src * data: blob:; media-src * blob:; connect-src *"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "css/newtab.css",
        "js/newtab.js",
        "js/scenes.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "author": "Senku Aoki / AyakaMods",
  "homepage_url": "https://ayakamods.com"
}