add script to refresh instance

Workbench/scripts/refresh-this-instance.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+DELETE_VOLUMES="false"
+
+if [[ $1 == "-dv" ]]; then
+  echo "will delete volumes..."
+  DELETE_VOLUMES="true"
+fi
+
+function DisplayUsage() {
+echo "** This script will bring down the workbench containers, "
+echo "grab the latest workbench code and config from the main repo, "
+echo "then restart the containers."
+echo ""
+            echo "Usage:"
+            echo "$0 [-dv]"
+            echo ""
+            echo "Pass the -dv flag to also delete data volumes when refreshing this instance."
+            echo ""
+            exit 1
+}
+
+if [[ $1 == "--?" ]] | [[ $1 == "--help" ]]; then
+  DisplayUsage
+fi
+if [[ $# -eq 1 ]]; then
+  if [[ $1 != "-dv" ]]; then DisplayUsage; fi
+fi
+
+pushd /csp-tap/InCommonTAP-Examples/Workbench
+docker-compose down
+if [[ $DELETE_VOLUMES == "true" ]]; then
+  echo "deleting volumes..."
+  docker volume rm $(docker volume ls -q)
+fi
+git pull
+docker-compose up --build -d
+popd