#22903 Fix code snippeds

* move scala and java sources out of paradox sources
* replace relative paths with $code$ and $akka$
* fix broken includes

akka-docs/src/main/java/jdocs/camel/OnewaySender.java

@@ -0,0 +1,20 @@
+package jdocs.camel;
+//#Oneway
+import akka.camel.javaapi.UntypedProducerActor;
+
+public class OnewaySender extends UntypedProducerActor{
+  private String uri;
+
+  public OnewaySender(String uri) {
+    this.uri = uri;
+  }
+  public String getEndpointUri() {
+    return uri;
+  }
+
+  @Override
+  public boolean isOneway() {
+    return true;
+  }
+}
+//#Oneway