Add release script for version bump and GitHub Actions integration

Author: renatobo

release.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Prompt for the new version
+read -p "Enter new version (e.g. 1.1.0): " VERSION
+
+# Validate version format: must be X.Y.Z
+if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+  echo "❌ Invalid version format. Use semantic versioning: X.Y.Z (e.g. 1.2.3)"
+  exit 1
+fi
+
+TAG="v$VERSION"
+
+# Update version in readme.txt
+sed -i '' "s/^Stable tag: .*/Stable tag: $VERSION/" readme.txt
+
+# Update version in main plugin file
+sed -i '' "s/^\(\*\s*Version:\s*\).*/\1$VERSION/" webhookarm.php
+
+# Git add and commit
+git add readme.txt webhookarm.php
+git commit -m "🔖 Bump version to $VERSION"
+git push origin main
+
+echo "✅ Version updated to $VERSION and pushed to main."
+echo "⏳ Waiting for GitHub Action to auto-tag version $TAG..."
+echo "👉 Monitor progress at: https://github.com/renatobo/WebHookARM/actions"