Add WASM parser and Vue dissector UI.

Ship a working HexPigeon: typed binary parsing in Rust/WASM, a three-pane frontend, and unit tests covering the field types.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/vite.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import wasm from 'vite-plugin-wasm'
+import topLevelAwait from 'vite-plugin-top-level-await'
+import { fileURLToPath, URL } from 'node:url'
+
+export default defineConfig({
+  plugins: [vue(), wasm(), topLevelAwait()],
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
+    },
+  },
+  server: {
+    port: 5173,
+    fs: { allow: ['..'] },
+  },
+})