advotracker: reorganize the project using a crate based structure

* advotracker: the framework project
* crate/advotrackerdb: implementation of the database backend
* crate/advotrackerd: implementation of the backend (daemon)
* crate/adovtracker: implementaton of the application (CLI and GUI)

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

crates/advotracker_client/.env-bak

@@ -0,0 +1,16 @@
+###
+# .env
+# will overwrite standard environment viariables
+###
+# set the language variable used in test-runs
+#test LANG=es-ES
+#test LANG=it-IT
+#test LANG=C
+# set the language variable (overwriting standard Enviroment)
+#TEST_LANG=de_DE
+#TEST_LANG=C
+#RUST_LOG=advotracker=trace
+RUST_LOG=trace
+#RUST_LOG=none
+USERNAME=hiedemann
+DB_DRIVER=sqlite