Examine source code of D2 lang Editor for Confluence

{
  "manifest_version": 3,
  "name": "D2 Diagram Editor for Confluence",
  "version": "0.1.0",
  "description": "Edit and preview D2 diagrams directly on Confluence pages",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "background/service-worker.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content/main.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "D2 Editor"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*.wasm",
        "assets/*.ttf"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "d2editor@veschin",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}