docs: Fix there is only one <p> tag between 2 paragraphs.

devkit-core/src/main/java/cn/org/codecrafters/devkit/core/exceptions/NotImplementedException.java

@@ -24,11 +24,13 @@ package cn.org.codecrafters.devkit.core.exceptions;
  * that represents a situation where a particular method or functionality is
  * not implemented or is currently unavailable in the codebase. It extends the
  * standard {@code RuntimeException} class, making it an unchecked exception.
+ * </p>
  * <p>
  * This exception is typically thrown when developers need to indicate that a
  * specific part of the code is incomplete or requires further implementation.
  * It serves as a placeholder to highlight unfinished sections of the
  * application during development and testing phases.
+ * </p>
  * <p>
  * Usage Example:
  * <pre>
@@ -39,9 +41,11 @@ package cn.org.codecrafters.devkit.core.exceptions;
  *     """);
  * }
  * </pre>
+ * </p>
  * <p>
  * For more information and the latest version of JDevKit, please visit our
  * website <a href="https://codecrafters.org.cn">codecrafters.org.cn</a>.
+ * </p>
  * <p>
  * <h4>Contact</h4>
  * <ul>
@@ -53,6 +57,7 @@ package cn.org.codecrafters.devkit.core.exceptions;
  *         <a href="https://discord.gg/">Discord Community</a>
  *     </li>
  * </ul>
+ * </p>
  *
  * @author Zihlu Wang
  * @version 1.0.0