Add kiosk desktop app

Tauri app for the Pi. Media runs through the native LiveKit SDK because
WebKitGTK has no WebRTC, with frames encoded in Rust and drawn to a canvas
under the annotation overlay.

apps/kiosk-client/vite.config.js

@@ -0,0 +1,36 @@
+import { sveltekit } from "@sveltejs/kit/vite";
+import tailwindcss from "@tailwindcss/vite";
+import { defineConfig, searchForWorkspaceRoot } from "vite";
+
+const host = process.env.TAURI_DEV_HOST;
+
+export default defineConfig({
+  plugins: [tailwindcss(), sveltekit()],
+
+  ssr: {
+    noExternal: ["@pistation/shared-types", "@pistation/client-core", "@pistation/ui"]
+  },
+
+  optimizeDeps: {
+    include: ["react", "react-dom", "react-dom/client"]
+  },
+
+  define: {
+    "process.env.IS_PREACT": JSON.stringify("false")
+  },
+
+  clearScreen: false,
+
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: host || false,
+    hmr: host ? { protocol: "ws", host, port: 1421 } : undefined,
+    fs: {
+      allow: [searchForWorkspaceRoot(process.cwd())]
+    },
+    watch: {
+      ignored: ["**/src-tauri/**"]
+    }
+  }
+});