Initial commit: Portfolio Website

Vollständige Next.js 15 Portfolio-Website mit:
- Blog-System mit 100+ Artikeln
- Supabase-Integration
- Responsive Design mit Tailwind CSS
- TypeScript-Konfiguration
- Testing-Setup mit Vitest und Playwright

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

public/manifest.json

@@ -0,0 +1,40 @@
+{
+  "name": "Damjan Savić - Senior Fullstack Entwickler & Digital Solutions Consultant",
+  "short_name": "Damjan Savić",
+  "description": "Portfolio von Damjan Savić - Senior Fullstack Entwickler und Digital Solutions Consultant in Köln. Enterprise Software Development, KI-Integration und Cloud Architecture.",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#18181B",
+  "theme_color": "#18181B",
+  "orientation": "portrait-primary",
+  "icons": [
+    {
+      "src": "/logo.svg",
+      "sizes": "any",
+      "type": "image/svg+xml",
+      "purpose": "any maskable"
+    },
+    {
+      "src": "/logo.png",
+      "sizes": "1000x1000",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/logo.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "/logo.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any"
+    }
+  ],
+  "categories": ["business", "developer", "productivity"],
+  "lang": "de-DE",
+  "dir": "ltr",
+  "prefer_related_applications": false
+}