Adds docs.

docs/guides/troubleshoot-cluster.md

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+# Troubleshoot Wild Cloud Cluster issues
+
+## General Troubleshooting Steps
+
+1. **Check Node Status**:
+   ```bash
+   kubectl get nodes
+   kubectl describe node <node-name>
+   ```
+
+1. **Check Component Status**:
+   ```bash
+   # Check all pods across all namespaces
+   kubectl get pods -A
+   
+   # Look for pods that aren't Running or Ready
+   kubectl get pods -A | grep -v "Running\|Completed"
+   ```
+