Update README.md with additional instructions for applying patches, resetting nodes, and ArgoCD default login

readme.md

@@ -43,3 +43,25 @@ TODO
 ## TODO
 
 - Remove secrets from config
+
+## Misc
+
+### Applying patches
+
+```bash
+talosctl patch machineconfig -p @argocd.yaml -n 192.168.0.0
+```
+
+### Reset node
+
+```bash
+talosctl reset --system-labels-to-wipe EPHEMERAL,STATE --reboot -n 192.168.0.0
+```
+
+### ArgoCD default login
+
+User: admin, password can be retrieved with (ignore the '%' at the end):
+
+```bash
+kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d
+```