Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/obj/tools/MGtool/man.d/xsort b/obj/tools/MGtool/man.d/xsort
new file mode 100644
index 0000000..dfea2da
--- /dev/null
+++ b/obj/tools/MGtool/man.d/xsort
@@ -0,0 +1,11 @@
+SYNOPSIS
+ xsort [-r] <file>
+ or
+ xsort [-r] (when reading from a pipe)
+
+DESCRIPTION
+ xsort sort all lines of a given file in increasing/decreasing order.
+ If no file is given it reads from a pipe.
+
+EXAMPLES
+ xsort -r workroom.c sorts all lines of workroom.c in reverse order.