diff --git a/advotracker/src/lib.rs b/advotracker/src/lib.rs
new file mode 100644
index 0000000..d4656aa
--- /dev/null
+++ b/advotracker/src/lib.rs
@@ -0,0 +1,36 @@
+/*
+ * advotracker - Hotline tackingtool for Advocats
+ *
+ * Copyright 2020 Ralf Zerres <ralf.zerres@networkx.de>
+ * SPDX-License-Identifier: 0BSD, MIT
+ */
+
+#![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]
+
+//! advotracker
+//! Supports lawyers to capture relevant data encountered during an
+//! online legal advice.
+//! This is the frontend componet that communicates to the backend `advotrackerd`.
+//!
+//! The crate is called `advotracker` and you can depend on it via cargo:
+//!
+//! ```ini
+//! [dependencies]
+//! advotracker = { version = "~0.1" }
+//! ```
+//!
+//! WIP: provide a workflow image
+//!
+
+// /// The client specific services
+// pub mod clients;
+
+/// provides data structures and their traits
+pub mod data;
+
+/// provides services
+pub mod services;
+
+// /// Provide test data
+// #[cfg!Test]
+// pub mod data;
diff --git a/frontend/src/lib.rs b/frontend/src/lib.rs
deleted file mode 100644
index 5deb270..0000000
--- a/frontend/src/lib.rs
+++ /dev/null
@@ -1 +0,0 @@
-/* not implemented */