chore(release): Add release script to _scripts dir

Author: Jonathan Chauncey

telegraf/_scripts/release.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+#
+# Build and push Docker images to Docker Hub and quay.io.
+#
+cd "$(dirname "$0")" || exit 1
+echo "Building docker image and pushing to quay.io!"
+DEIS_REGISTRY=quay.io/ BUILD_TAG=v2-beta make -C .. docker-build docker-push
+echo "Building docker image and pushing to docker hub!"
+BUILD_TAG=v2-beta make -C .. docker-build docker-push