[gce] Document create-instance/destroy-instance subcommands
fx gce create-instance/destroy-instance commands create or destroy
a gce instance based on the most recently uploaded fuchsia image.
Change-Id: I12dfaa76454f2522c354ba8e67be7359d5e6692e
diff --git a/gce/README.md b/gce/README.md
index 011e2cf..8b32522 100644
--- a/gce/README.md
+++ b/gce/README.md
@@ -31,6 +31,7 @@
fx gce create-instance
sleep 60
fx gce serial
+fx gce delete-instance
```
## How the sausage is made
@@ -62,3 +63,6 @@
have an appropriately configured compute engine ssh key for this to work. If
you have a more tuned ssh configuration, you may need to add
`~/.ssh/google_compute_engine` to your `ssh-agent`.
+ * create-instance - create a GCE instance running fuchsia based on the most
+ recently created fuchsia image.
+ * delete-instance - deletes a GCE instance created by `create-instance`.