doc: kubernetes dev cycle

README.md

@@ -1,5 +1,11 @@
 # Development
 TODO: fill this out
+### Kubernetes test deployment
+```bash
+./upload.sh
+# sudo kubectl apply -f kube/test-deployment.yaml # Apply the test deployment if it wasn't already
+sudo kubectl rollout restart deployment minecraft-ingress
+```
 ### Nix shell with tmux
 In the nix flake there is a devshell setup with cargo and tmux.
 When using tmux it uses a set tmux server path, so only this project uses it.