Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/props/P_DEPARTMSG b/doc/props/P_DEPARTMSG
new file mode 100644
index 0000000..515c8bd
--- /dev/null
+++ b/doc/props/P_DEPARTMSG
@@ -0,0 +1,8 @@
+NAME:
+    P_DEPARTMSG                   "departmsg"                   
+
+DEFINIERT IN:
+    /sys/transport.h
+
+BESCHREIBUNG:
+     Meldung, mit der ein Transporter ablegt.