Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/props/P_MAILADDR b/doc/props/P_MAILADDR
new file mode 100644
index 0000000..e1b849d
--- /dev/null
+++ b/doc/props/P_MAILADDR
@@ -0,0 +1,8 @@
+NAME:
+    P_MAILADDR                    "mailaddr"                    
+
+DEFINIERT IN:
+    /sys/player/base.h
+
+BESCHREIBUNG:
+     EMailadresse des Spielers.