feat(frontend): added frontend

- Router: client side route handling with client side rendering
- Toast: rought Toast handling for better UX and messaging
- Auth: single point of truth for the Logged in user

This commit doesnt not include the openapi generated code

frontend/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview"
+  },
+  "devDependencies": {
+    "typescript": "~5.9.3",
+    "vite": "^7.1.10",
+    "vite-tsconfig-paths": "^5.1.4"
+  },
+  "dependencies": {
+    "@tailwindcss/vite": "^4.1.16",
+    "openapi-fetch": "^0.15.0",
+    "tailwindcss": "^4.1.16"
+  }
+}