Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/props/P_CONTENTS b/doc/props/P_CONTENTS
new file mode 100644
index 0000000..1212da7
--- /dev/null
+++ b/doc/props/P_CONTENTS
@@ -0,0 +1,8 @@
+NAME:
+    P_CONTENTS                    "contents"                    
+
+DEFINIERT IN:
+    /sys/container.h
+
+BESCHREIBUNG:
+     *** OBSOLET! ***