adding multi app run template for service invocation examples

[pravinpushkar]

Signed-off-by: Pravin Pushkar ppushkar@microsoft.com

Description

• Added multi app run template for service invocation examples

Issue reference

We strive to have all PRs being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #777

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• The quickstart code compiles correctly
• You've tested new builds of the quickstart if you changed quickstart code
• You've updated the quickstart's README if necessary
• If you have changed the steps for a quickstart be sure that you have updated the automated validation accordingly. All of our quickstarts have annotations that allow them to be executed automatically as code. For more information see mechanical-markdown. For user guide with examples see Examples.

[msfussell]

@pravinpushkar - Can you pull this PR #783 into your branch and retest to ensure that the tests pass. Thx

[pravinpushkar]

@pravinpushkar - Can you pull this PR #783 into your branch and retest to ensure that the tests pass. Thx

Just checked these failures are not related to this PR and seem to be related to pubsub and tutorials which can be looked separately ?