Added link referenc in documentation from JServerProtocolParserto Clienthandler. Added LoginClient class for possible implementation of a login sequence.

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/LoginClient.java

@@ -0,0 +1,8 @@
+package ch.unibas.dmi.dbis.cs108.sebaschi;
+
+/**
+ * Implement the login sequenz when a client wnats to connect to the server.
+ */
+public class LoginClient {
+//TODO implement if needed
+}