Add example configuration using SNI enabled TLS connection

[ggivo]

Make file updated to bootstrap one primary virtual service (127.0.0.1:36443) redirecting to redis-sni1(localhost:6480) or redis-sni2(localhost:6479) Redis instances based on the provided SNI server name.

Make sure that:

• You have read the contribution guidelines.
• You have created a feature request first to discuss your contribution intent. Please reference the feature request ticket number in the pull request.
• You applied code formatting rules using the mvn formatter:format target. Don’t submit any formatting related changes.
• You submit test cases (unit or integration tests) that back your changes.

[tishun]

Awesome!