feat: initial Racecraft web client v0.1.0

Vue 3 + TypeScript + Vite web client for rusty-telemetry.

- Dashboard with system status, live feeds, quick actions
- Live telemetry view with real-time gauges (speed/RPM/gear)
- Session management (create, run, complete, analyze)
- Shift point analysis with Chart.js visualizations
- Track map with Canvas 2D boundary rendering
- Typed API client for all 19 REST endpoints
- Dark theme, network-accessible via Vite 0.0.0.0 bind

index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Racecraft</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.ts"></script>
+  </body>
+</html>