create modules 'traits' for testing

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

src/models/traits/mod.rs

@@ -0,0 +1,10 @@
+/*
+ * advotracker - Hotline tackingtool for Advocats
+ *
+ * Copyright 2020 Ralf Zerres <ralf.zerres@networkx.de>
+ * SPDX-License-Identifier: (0BSD or MIT)
+ */
+
+// WIP
+// /// traits for the user model
+// pub mod traits;