feat: add release-hook.sh script for automated changelog generation

Adds release hook script that integrates with the release process to
automatically generate changelog entries using gen-changelog tool.

This script will be executed during the release process to update
the PRLOG.md file with the appropriate version and date information.

Author: gortavoher

release-hook.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Build Changelog
+gen-changelog generate --display-summaries --next-version "$SEMVER"