docs: side note about HTML-mode in tutorial (#2641)

Co-authored-by: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>

src/tutorial/src/step-1/description.md

@@ -21,6 +21,33 @@ If you are an experienced developer coming from Vue 2 or other frameworks, there
 
 - You can also switch between SFC-mode or HTML-mode. The former will show code examples in <a target="_blank" href="/guide/introduction.html#single-file-components">Single-File Component</a> (SFC) format, which is what most developers use when they use Vue with a build step. HTML-mode shows usage without a build step.
 
+<div class="html">
+
+:::tip
+If you're about to use HTML-mode without a build step in your own applications, make sure you either change imports to:
+
+```js
+import { ... } from 'vue/dist/vue.esm-bundler.js'
+```
+
+inside your scripts or configure your build tool to resolve `vue` accordingly. Sample config for [Vite](https://vitejs.dev/):
+
+```js
+// vite.config.js
+export default {
+  resolve: {
+    alias: {
+      vue: 'vue/dist/vue.esm-bundler.js'
+    }
+  }
+}
+```
+
+See the respective [section in Tooling guide](/guide/scaling-up/tooling.html#note-on-in-browser-template-compilation) for more information.
+:::
+
+</div>
+
 </details>
 
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