Merge pull request #5699 from jpcchaves/documentation-notes

docs: add notes to help beginners in getting started section

clayui.com/content/docs/get-started/how-to-use-clay.md

@@ -33,15 +33,24 @@ You can check out the full list of [packages available in NPM](https://www.npmjs
 #### NPM
 
 ```shell{expanded}
-npm install @clayui/css @clayui/*
+npm install @clayui/css @clayui/{PACKAGE_NAME}
 ```
 
 #### Yarn
 
 ```shell{expanded}
-yarn add @clayui/css @clayui/*
+yarn add @clayui/css @clayui/{PACKAGE_NAME}
 ```
 
+> **_Important Note: Be Mindful of the Asterisk:_**
+> When using the `@clayui/*` command for installation, it's crucial to remember that the asterisk (\*) is a placeholder. It's not a valid package name on its own. To install a specific Clay package, you must replace the asterisk with the name of the package you require.
+>
+> For instance, if you want to install the "Clay Button" package, the correct command would be:
+>
+> ```shell
+> npm install @clayui/button or yarn add @clayui/button
+> ```
+
 ### Install via Clay CSS CDN
 
 We provide Clay CSS via CDN, which is an option when you do not want to install the clay package via NPM or Yarn.
@@ -74,6 +83,11 @@ Example:
 	This quick start requires that you have a minimum knowledge of <a href="https://reactjs.org/docs/hooks-intro.html" target="_blank">React Hooks</a>, not much of your API's will be used but just <a href="https://reactjs.org/docs/hooks-reference.html#usestate" target="_blank"><b>useState</b></a> to control the component.
 </div>
 
+<div class="clay-site-alert alert alert-warning">
+	<strong class="lead">Warning</strong>
+	To ensure that Clay functions correctly, please remember to import the CSS package from @clayui/css into your React entrypoint component, as demonstrated in the example below.
+</div>
+
 For this quick start we will use [codesandbox](https://codesandbox.io/) which does not need to install an environment on your machine.
 
 Use the **codesandbox** below as your text editor and environment so we can follow through with the examples.