added gh release step

.gitignore

@@ -1,3 +1,4 @@
 # ignore clab state files
 clab-*
-pull.sh
+pull.sh
+notes.md

add-release.sh

@@ -0,0 +1,27 @@
+# Copyright 2022 Nokia
+# Licensed under the BSD 3-Clause License.
+# SPDX-License-Identifier: BSD-3-Clause
+
+# add gh release, this triggers email notifications to the subscribers
+# use `bash add-release.sh 23.10.5`
+
+#!/bin/bash
+set -e
+
+# REL is the short release version/tag, i.e. 23.10.5
+REL=$1
+
+# cleanup previos notes
+rm -f notes.md
+
+# if release is empty exit
+if [[ -z "$REL" ]]; then
+    echo "release version is empty"
+    exit 1
+fi
+
+# template the release notes
+sed "s/{{version}}/$REL/g" notes.md.j2 > notes.md
+
+# add release
+gh release create ${REL} --notes-file notes.md

notes.md.j2

@@ -0,0 +1,9 @@
+# SR Linux {{version}} release
+
+Pull with:
+
+```bash
+sudo -E docker pull ghcr.io/nokia/srlinux:{{version}}
+```
+
+Learn more about SR Linux at [learn.srlinux.dev](https://learn.srlinux.dev)