Added template script with various steps

Author: adityasinghal26

deployment/kubernetes/backstage/setup-backstage.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+## The script is currently not usable. The below commands need to be corrected and finalised.
+
+kubectl create ns backstage
+
+helm package .
+helm package deployment/kubernetes/postgres/helm/
+
+helm upgrade --install postgres postgres-0.1.0.tgz
+
+copy latest app-config.yaml to backstage101 folder and dockerfile to packages/backend folder
+
+run yarn install --frozen-lockfile and yarn tsc from backstage101 folder
+
+rum yarn build backend --config ../../app-config.yaml from packages/backend folder
+
+docker image build . -f packages/backend/Dockerfile --tag backstage:0.1.0 from backstage101 folder
+docker image build backstage-app/backstage101/ -f deployment/kubernetes/backstage/docker/Dockerfile --tag backstage:0.1.1
+
+https://kind.sigs.k8s.io/docs/user/local-registry/
+docker image tag backstage:0.1.0 localhost:5001/backstage:0.1.0
+docker push localhost:5001/backstage:0.1.0
+