Document steps final steps to release a deb

Closes: #16

debian/update-git-snapshot

@@ -13,6 +13,11 @@ git checkout debian/sid
 git merge $gittag
 gbp dch -S -a
 
-echo "To publish your changes use"
-echo "git push purism master ${gittag} librem5 debian/sid"
+set +x
+cat <<EOF
+After filling in (and committing) the changelog use
 
+    git push purism master ${gittag} librem5 debian/sid"
+
+To publish your changes and get a new package built by CI.
+EOF