add a README for manpages

debian/README.manpages

+CREATING MANPAGES
+
+Procedure:
+
+ - Creating the manual pages under POD format. A template is available in this directory.
+ - Convert the pdo file in a manpage file:
+     pod2man --section=1 --release=$(VERSION) --center "" myapp.pod > myapp.1
+ - You are done! You can read the manpage file with: 
+     groff -man -Tascii myapp.1
+
+
+
+     Ref: https://wiki.ubuntu.com/PackagingGuide/Complete#Man%20Pages