[add]: readme

Signed-off-by: AhmedLotfy02 <[email protected]>

Author: AhmedLotfy02

spring-boot-xml/naive-spring-boot/README.md

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+<h1>Sample java spring boot with xml</h1>
+<p>This project is a Spring Boot application that serves a simple REST API endpoint returning XML responses.</p>
+
+<h2>How to Run</h2>
+<p>Ensure you have Java 17 installed. Then, follow these steps:</p>
+<ol>
+<li>Clone the repository </li>
+<li>Navigate into the project directory</li>
+<li>Build the project: <code>mvn clean install</code></li>
+<li>Run the application: <code>mvn spring-boot:run</code></li>
+</ol>
+
+<h2>API Endpoints</h2>
+<h3>Get User (Returns XML)</h3>
+<p>Endpoint: <code>GET /api/user</code></p>
+
+<h3>Testing with Curl</h3>
+<p>To make a request using <code>curl</code>, use the following command:</p>
+<pre>
+<code>curl -X GET -H "Accept: application/xml" http://localhost:8080/api/user</code>
+</pre>
+
+<h2>Expected XML Response</h2>
+<pre>
+<code>
+&lt;User&gt;
+&lt;name&gt;John Doe&lt;/name&gt;
+&lt;age&gt;30&lt;/age&gt;
+&lt;phone&gt;0101233333&lt;/phone&gt;
+&lt;/User&gt;
+</code>
+</pre>
+
+<h2>Dependencies</h2>
+<ul>
+<li>Spring Boot</li>
+<li>Spring Web</li>
+<li>JAXB for XML serialization</li>
+</ul>