Examine source code of Booster

{
  "manifest_version": 3,
  "name": "Booster",
  "version": "1.2",
  "description": "Near zero latency & distortion, boosting audio up to 1000%",
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "worklet/processor.js",
        "script.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon.svg"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@booster.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}