Docs: add descriptions for Webpack, Parcel and Vite

site/content/docs/5.3/getting-started/parcel.md

@@ -13,6 +13,10 @@ thumbnail: guides/[email protected]
 **Want to skip to the end?** Download the source code and working demo for this guide from the [twbs/examples repository](https://github.com/twbs/examples/tree/main/parcel). You can also [open the example in StackBlitz](https://stackblitz.com/github/twbs/examples/tree/main/parcel?file=index.html) but not run it because Parcel isn't currently supported there.
 {{< /callout >}}
 
+## What is Parcel?
+
+[Parcel](https://parceljs.org/) is a web application bundler that aims to simplify the process of building web applications by providing a zero-config experience out of the box. It offers many of the features found in more complex bundlers but is designed to be easier to use, especially for developers who want to get started quickly without diving into extensive configuration.
+
 ## Setup
 
 We're building a Parcel project with Bootstrap from scratch, so there are some prerequisites and upfront steps before we can really get started. This guide requires you to have Node.js installed and some familiarity with the terminal.

site/content/docs/5.3/getting-started/vite.md

@@ -16,6 +16,10 @@ added:
 **Want to skip to the end?** Download the source code and working demo for this guide from the [twbs/examples repository](https://github.com/twbs/examples/tree/main/vite). You can also [open the example in StackBlitz](https://stackblitz.com/github/twbs/examples/tree/main/vite?file=index.html) for live editing.
 {{< /callout >}}
 
+## What is Vite?
+
+[Vite](https://vitejs.dev/) is a next-generation frontend build tool that focuses on speed and simplicity. It is designed to provide a faster, more efficient and highly optimized development experience, particularly for modern JavaScript frameworks.
+
 ## Setup
 
 We're building a Vite project with Bootstrap from scratch, so there are some prerequisites and upfront steps before we can really get started. This guide requires you to have Node.js installed and some familiarity with the terminal.

site/content/docs/5.3/getting-started/webpack.md

@@ -13,6 +13,10 @@ thumbnail: guides/[email protected]
 **Want to skip to the end?** Download the source code and working demo for this guide from the [twbs/examples repository](https://github.com/twbs/examples/tree/main/webpack). You can also [open the example in StackBlitz](https://stackblitz.com/github/twbs/examples/tree/main/webpack?file=index.html) for live editing.
 {{< /callout >}}
 
+## What is Webpack?
+
+[Webpack](https://webpack.js.org/) is a powerful open-source JavaScript module bundler used in modern web development. It takes modules with dependencies and generates static assets representing those modules, making it easier to manage complex web applications with numerous files and dependencies.
+
 ## Setup
 
 We're building a Webpack project with Bootstrap from scratch, so there are some prerequisites and upfront steps before we can really get started. This guide requires you to have Node.js installed and some familiarity with the terminal.