feat: complete deploy demo with React UI

Backend:
- Spring Boot 3.4, Java 21, REST API for app lifecycle
- Build pipeline: JAR → Dockerfile → docker build/push → kubectl apply
- In-memory state with K8s reconciliation on startup
- Configurable via env vars

Frontend:
- React 19 + @cameleer/design-system v0.1.26
- Dashboard table with status polling (5s)
- Deploy dialog with drag-and-drop JAR upload
- Resource limit/request configuration
- Environment variable editor
- Build log viewer
- Delete with confirmation dialog

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/tsconfig.node.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ES2023",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "strict": true,
+    "skipLibCheck": true
+  },
+  "include": ["vite.config.ts"]
+}