feat(scripts): add CI utilities for versioning and changelog

- Add scripts to detect version changes and generate changelogs
- Include setup for installing and configuring git-cliff
- Automate release creation and changelog updates for CI workflows
- Improve Git author setup for consistent commits

scripts/detect-version-change.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# === Inputs from GitHub/Gitea Action environment ===
+GIT_REF="${GITHUB_REF:-}"
+COMMIT_BEFORE="${GITHUB_EVENT_BEFORE:-}"
+COMMIT_AFTER="${GITHUB_SHA:-}"
+VERSION_FILE="VERSION"
+
+echo "🔍 Comparing commits:"
+echo "Before: $COMMIT_BEFORE"
+echo "After:  $COMMIT_AFTER"
+
+# === Check branch condition ===
+if [[ "$GIT_REF" != "refs/heads/main" ]]; then
+  echo "Not on 'main' branch – skipping version check."
+  echo "version_changed=false" >> "$GITHUB_OUTPUT"
+  exit 0
+fi
+
+echo "📄 Changed files:"
+git diff --name-only "$COMMIT_BEFORE" "$COMMIT_AFTER" || echo "(diff failed)"
+
+if git diff --name-only "$COMMIT_BEFORE" "$COMMIT_AFTER" | grep -q "^$VERSION_FILE$"; then
+  echo "✅ VERSION file was changed"
+  echo "VERSION_CHANGED=true" >> "$GITHUB_ENV"
+  echo "version_changed=true" >> "$GITHUB_OUTPUT"
+else
+  echo "ℹ️ VERSION file not changed"
+  echo "VERSION_CHANGED=false" >> "$GITHUB_ENV"
+  echo "version_changed=false" >> "$GITHUB_OUTPUT"
+fi