feat: add basic-jsx and basic-template examples

- basic-jsx: Counter + Clock with defineComponent() + JSX
- basic-template: Counter + Clock with .vue SFC + <template>
- Both demonstrate HMR via vue-tui dev
- Fix vite-plugin: strip build.lib and external config for bundledDev,
  add node builtins resolveId to prevent browser-external shimming
- Remove old hmr-demo example (superseded by basic-template)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

examples/basic-template/vite.config.ts

@@ -0,0 +1,23 @@
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import { fileURLToPath } from "node:url";
+
+const here = fileURLToPath(new URL(".", import.meta.url));
+
+export default defineConfig({
+  plugins: [vue()],
+  build: {
+    target: "node22",
+    outDir: "dist",
+    emptyOutDir: true,
+    minify: false,
+    lib: {
+      entry: `${here}src/main.ts`,
+      formats: ["es"],
+      fileName: () => "game.mjs",
+    },
+    rollupOptions: {
+      external: (id) => !id.startsWith(".") && !id.startsWith("/") && !id.startsWith("\0"),
+    },
+  },
+});