Examine source code of Note by Note

{
  "manifest_version": 3,
  "name": "Note by Note ♪ Pitch Shifter ♭ Slow Down",
  "description": "Practice music with pitch, speed, loops, and snippets on any audio or video.",
  "version": "1.0.3",
  "short_name": "Note by Note",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "homepage_url": "https://github.com/patrickiel/note-by-note",
  "browser_specific_settings": {
    "gecko": {
      "id": "note-by-note@patrickiel.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_title": "Note by Note"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "worklets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "browser_style": false,
    "default_title": "Note by Note"
  },
  "content_scripts": []
}