Examine source code of Onyx Notes - Markdown Editor

{
  "manifest_version": 3,
  "name": "Onyx Notes",
  "version": "2.6",
  "description": "A note-taking app with mindmapping capabilities",
  "author": "Spirit of Star",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "contextMenus",
    "clipboardWrite"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "commands": {
    "quick-capture": {
      "suggested_key": {
        "default": "Ctrl+Shift+Space"
      },
      "description": "Quick capture: clip current page to Onyx"
    }
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https: http:; font-src 'self' data:; connect-src 'self' data: blob:; object-src 'none'; base-uri 'self'; form-action 'none'; frame-ancestors 'none';"
  },
  "background": {
    "scripts": [
      "storage.js",
      "background.js"
    ]
  },
  "action": {
    "default_icon": "icon48.png",
    "default_popup": "popup.html",
    "default_title": "Onyx Notes - Clip and write"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "marked.min.js",
        "highlight.min.js",
        "mermaid.min.js",
        "tex-mml-chtml.js",
        "d3.v7.min.js",
        "storage.js",
        "app.js",
        "import.js",
        "style.css",
        "app.html",
        "icon128.png",
        "icon48.png",
        "icon16.png",
        "settings.html",
        "onyx-settings.js",
        "turndown.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef98d1d0-c25a-4bb0-a941-279cabfff53a}",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}