Release for Web (static app at editor.makamek.nl)

[anton-makarevich]

Sub-issue of #76

High-level tasks:

• Configure WebAssembly (WASM) build for Avalonia
• Set up deployment to https://editor.makamek.nl
• Configure web server (nginx/Apache) for static hosting
• Handle browser storage (IndexedDB/Local Storage) for maps
• Optimize WASM bundle size and loading performance
• Set up HTTPS and security headers
• Test across major browsers (Chrome, Firefox, Safari, Edge)
• Configure CI/CD for automatic web deployment
• Handle offline functionality (Service Worker/PWA)
• Create web-specific UI adaptations if needed
• Set up web analytics and error tracking