JDK 23: update JEPs

Author: wesleyegberto

README.md

@@ -15,6 +15,8 @@ A project to explore more about the new features from Java 8 through Java 21.
   * Primitive Types in Patterns, `instanceof` and `switch` (preview)
   * Class-File API (preview 2)
   * Stream Gatherers (preview 2)
+  * Marketdown documentation comments
+  * Module import declarations (preview)
 
 * [Java 22](java-22/) (Mar, 2024)
   * Statements before `super` (preview)

java-23/README.md

@@ -6,6 +6,7 @@ To run each example use: `java --enable-preview --source 23 <FileName.java>`
 
 * [455](https://openjdk.org/jeps/455) - Primitive Types in Patterns, instanceof, and switch (Preview)
 * [466](https://openjdk.org/jeps/466) - Class-File API (Second Preview)
+* [467](https://openjdk.org/jeps/467) - Markdown Documentation Comments
 * [469](https://openjdk.org/jeps/469) - Vector API (Eighth Incubator)
 * [473](https://openjdk.org/jeps/473) - Stream Gatherers (Second Preview)
 * [474](https://openjdk.org/jeps/474) - ZGC: Generational Mode by Default