create release script (#341)

Author: hiimjako

change_version

@@ -0,0 +1,30 @@
+#/bin/bash
+
+version=$1
+gpg_key=$2
+regex="^([0-9]+)\.([0-9]+)\.([0-9]+)(-(alpha|beta|rc)\.([0-9]+))?$"
+tag="v$version"
+
+if [ $# -lt 2 ]; then
+    echo "Usage: $0 <version> <gpg_key>"
+    exit 1
+fi
+
+if [[ ! $version =~ $regex ]]; then
+    echo "Invalid version format: $version"
+    exit 1
+fi
+
+echo "Updating version and constants to $version"
+echo $version > VERSION
+sed -i -e "s/.*ClientVersion = \"*.*/ClientVersion = \"$version\"/" pkg/stream/constants.go
+go fmt ./...
+
+echo ""
+echo "Committing changes"
+git add VERSION pkg/stream/constants.go README.md
+git commit -m "rabbitmq-stream-go-client $tag"
+
+echo ""
+echo "Creating and pushing tag $tag"
+git tag -a -s -u $gpg_key -m "rabbitmq-stream-go-client $tag" $tag && git push && git push --tags