Create index.md

Author: graz-dev

docs/tutorials/index.md

@@ -0,0 +1,20 @@
+---
+layout: default
+title: Tutorials & Use Cases
+nav_order: 4
+has_children: true
+---
+
+# Tutorials & Use Cases
+
+Explore real-world examples and step-by-step guides for using Kalco.
+
+## Available Tutorials
+
+| Tutorial | Description |
+|----------|-------------|
+| **[GitOps Validation Pipeline]({{ site.baseurl }}/tutorials/gitops-validation)** | Set up a robust CI pipeline with GitHub Actions and ArgoCD to prevent drift. |
+
+Coming soon:
+- *Managing Multi-Cluster Environments*
+- *Automated Nightly Backups*