Set up the nginx servers for handling *.skia.org traffic.

compute_engine_scripts/skfe/vm_delete_instance.sh

Index: compute_engine_scripts/skfe/vm_delete_instance.sh
diff --git a/compute_engine_scripts/skfe/vm_delete_instance.sh b/compute_engine_scripts/skfe/vm_delete_instance.sh
new file mode 100755
index 0000000000000000000000000000000000000000..be35ccfa94359c1553c48ef052f55591eb98d263
--- /dev/null
+++ b/compute_engine_scripts/skfe/vm_delete_instance.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Deletes the compute instance for skia-docs.
+#
+set -x
+
+source vm_config.sh
+
+for NUM in $(seq 1 $NUM_INSTANCES); do
+
+  gcloud compute instances delete \
+    --project=$PROJECT_ID \
+    --delete-disks "all" \
+    --zone=$ZONE \
+    $INSTANCE_NAME-$NUM
+
+done