Created the UsageHandler

src/main/java/de/gnmyt/autoresponder/commands/usage/handler/UsageHandler.java

@@ -0,0 +1,17 @@
+package de.gnmyt.autoresponder.commands.usage.handler;
+
+import de.gnmyt.autoresponder.commands.usage.UsageException;
+
+import java.util.List;
+
+public abstract class UsageHandler {
+
+    /**
+     * Handles a usage exception
+     *
+     * @param exception The usage exception to handle
+     * @return Your replies
+     */
+    public abstract List<String> handleUsageException(UsageException exception);
+
+}