add instruction to create tag

create_deb_package.sh

@@ -6,6 +6,10 @@
 # pandoc -o README.txt --to=plain README.md
 # git commit ...
 #
+# creating new tag:
+# VERSION=0.1
+# git tag -a v$VERSION -m"bump version $VERSION"
+#
 if ! which fpm &>/dev/null; then
     echo "please install 'fpm'"
     exit