Updated labs (#653)

[sriramdasbalaji]

• Update readme.md

• Changed in labs of keyvault

• Changes in Launchdarkly

• click on y for geo-redundancy

• Ansible minimal changes

• Modifications in Jenkins

• Changes in Teams Lab

• changes in redgate

• Modified Dockerdep to Java Webapp

• Modified the Tomcat lab

• modified sonar screenshots

• screenshots modified for Release gated

• subscription masking