Added the UsageExceptionType

src/main/java/de/gnmyt/autoresponder/commands/usage/UsageExceptionType.java

@@ -0,0 +1,11 @@
+package de.gnmyt.autoresponder.commands.usage;
+
+public enum UsageExceptionType {
+
+    USAGE_NOT_COMPLETE,
+    USAGE_TYPE_MISMATCH,
+    MAX_LENGTH_EXCEEDED,
+    BELOW_MIN_LENGTH,
+    NOT_IN_ALLOWED_VALUES
+
+}