add git hooks into repo

also set "hooksPath = .githooks" and maybe
 "excludesfile = .gitignore" in `.git/config`

.githooks/pre-push

@@ -0,0 +1,31 @@
+#!/bin/bash
+# create static files with hugo and upload them with rsync
+# to my webserver
+# created: 2023-03-26T23:27:11+0200
+
+echo -n "creating website..."
+
+ret="$(hugo --gc --minify)"
+
+# if [ -n "$(echo $ret | grep Total)" ] ; then
+if [ "$?" -eq "0" ] ; then
+  echo " Success!"
+else
+  echo " *** FAILED ***"
+  echo "Could not create static files (hugo). Aborting..."
+  # exit with 1, so the update does not proceed, so we will know
+  exit 1
+fi
+
+echo -n "rsyncing files to server..."
+
+ret="$(rsync -avhzP --stats --del public/ bor:/var/www/sites/oe7drt/)"
+
+if [ "$?" -eq "0" ] ; then
+    echo "Success!"
+else
+    echo " *** FAILED ***"
+    echo "Could not sync files to webserver (rsync). Aborting..."
+    exit 1
+fi
+