Update zke node name

Change in ZKE node name is reflected in examples README.md

Add multi-stage build

Included examples are -

• googleBookAPI
• collaborate
• grpcExample

Labels are added in k8s manifests file.

only roost examples

ZBIO-648: Remove the unused samples

extra folders removed to reduce the zip size

Roost sample for image optimization

v0.1.20

ZBIO-111: removed build files

Collaborate example restructured for RDE features

v0.1.19

ZBIO-495: collab example .. image push to ZKE

Collaborate example microservice

v0.1.18

ZBIO-495: collaboration service example

Add collaborate sample

v0.1.17

ZBIO-513 Update retriever to retrieve articles from fetcher

For roost-io examples

Push image using roost-worker capability

README updates

v0.1.15

ZBIO-120: README updates

Improved logging

This release contains improved logging changes in for examples