CUB-194: scaffold Vite + React + TypeScript + Tailwind frontend

- Initialize Vite project with React + TypeScript + Tailwind CSS
- Dark theme dashboard design (rig-dark palette, rig-accent colors)
- Minimal App with RemoteRig header + 'Dashboard coming soon' placeholder
- Directory structure: components, hooks, services, types, utils
- TypeScript types for Camera, CameraFeed, SystemHealth, StreamConfig
- Custom hooks: useCameraStatus, useSystemHealth (with mock data)
- API service layer with proxy config for /api → localhost:8080
- eslint, postcss, autoprefixer configured
- lucide-react icons integrated (Camera icon)
- .env.example, .gitignore, tsconfig basepaths configured
- Build + type-check + lint verified clean

src/App.tsx

@@ -0,0 +1,46 @@
+import { Camera } from 'lucide-react'
+
+function App() {
+  return (
+    <div className="min-h-screen bg-rig-dark-900">
+      {/* Header */}
+      <header className="border-b border-rig-dark-700 bg-rig-dark-800/50 backdrop-blur-sm">
+        <div className="mx-auto max-w-7xl px-4 py-4 sm:px-6 lg:px-8">
+          <div className="flex items-center gap-3">
+            <Camera className="h-7 w-7 text-rig-accent" />
+            <h1 className="text-xl font-bold tracking-tight text-rig-dark-50">
+              RemoteRig
+            </h1>
+            <span className="ml-2 rounded-full bg-rig-accent/10 px-2.5 py-0.5 text-xs font-medium text-rig-accent">
+              Dashboard
+            </span>
+          </div>
+        </div>
+      </header>
+
+      {/* Main Content */}
+      <main className="mx-auto max-w-7xl px-4 py-8 sm:px-6 lg:px-8">
+        <div className="flex flex-col items-center justify-center rounded-xl border border-dashed border-rig-dark-600 bg-rig-dark-800/30 py-24 text-center">
+          <Camera className="mb-4 h-12 w-12 text-rig-dark-500" />
+          <h2 className="text-lg font-semibold text-rig-dark-200">
+            Dashboard Coming Soon
+          </h2>
+          <p className="mt-2 max-w-sm text-sm text-rig-dark-400">
+            Camera monitoring and remote control interface — under construction.
+          </p>
+        </div>
+      </main>
+
+      {/* Footer */}
+      <footer className="border-t border-rig-dark-700 bg-rig-dark-800/30">
+        <div className="mx-auto max-w-7xl px-4 py-3 sm:px-6 lg:px-8">
+          <p className="text-center text-xs text-rig-dark-500">
+            RemoteRig v0.1.0 &mdash; Multi-Camera Remote Monitoring System
+          </p>
+        </div>
+      </footer>
+    </div>
+  )
+}
+
+export default App