docs: add steps for updating LKE deploy from GitHub
```bash
kubectl get pod --all-namespaces
```
+
+## Deploying a New CHIME Version
+
+1. Merge new version into `master` branch
+2. Create a new release tag in the format `v1.2.3`, incrementing semantically
+3. Wait for the `Docker` GitHub Actions workflow to complete
+4. Verify the new version shows up at the top as "Latest version" here: https://github.com/CodeForPhilly/chime/packages/155340
+5. Run:
+
+ ```bash
+ VERSION=1.2.3
+ kubectl set image --record deployment/chime chime="docker.pkg.github.com/codeforphilly/chime/penn-chime:${VERSION}"
+ ```
+
+6. Watch rollout status:
+
+ ```bash
+ kubectl rollout status deployment.v1.apps/chime
+ ```
\ No newline at end of file
