Updated docs for Spring Developer Tools

Author: JohannesRabauer

docs/modules/ROOT/pages/known-issues.adoc

@@ -29,3 +29,23 @@ There is a library to version your data in the store called https://github.com/x
 This helps you keep your data up to date regardless of the current version.
 
 We created https://github.com/xdev-software/spring-data-eclipse-store/issues/33[an issue] for that but right now we *do not support XDEVs MicroMigration*.
+
+== Spring Developer Tools
+
+Using https://docs.spring.io/spring-boot/reference/using/devtools.html[Spring Developer Tools] (`spring-boot-devtools`) can lead to serious issues in your project.
+That is manly due to the https://docs.spring.io/spring-boot/reference/using/devtools.html#using.devtools.livereload[LiveReload feature] and the usage of a "Restart Classloader".
+
+This leads to problems within EclipseStore and can cause issues with discovering beans (https://github.com/spring-projects/spring-boot/issues/41011[Example Issue]).
+
+If you must use the Spring Developer Tools, make sure to https://docs.spring.io/spring-boot/reference/using/devtools.html#using.devtools.restart.disable[disable restart].
+
+[source,java,title="Example how to disable restart"]
+----
+@SpringBootApplication
+public class MyApplication {
+	public static void main(String[] args) {
+		System.setProperty("spring.devtools.restart.enabled", "false");
+		SpringApplication.run(MyApplication.class, args);
+	}
+}
+----