added cloudwatch event to MS Teams

[MattTunny]

Issue #, if available:
no cloudwatch events or teams example
Description of changes:
added example for cloudwatch event to MS teams with sample events

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #530 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #530   +/-   ##
========================================
  Coverage    94.76%   94.76%           
========================================
  Files           71       71           
  Lines         3474     3474           
  Branches       678      678           
========================================
  Hits          3292     3292           
  Misses          93       93           
  Partials        89       89

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[keetonian]

@MattTunny thank you for the contribution! Sorry it took us so long to get this reviewed!

[ilyash]

Semantics ignored leading to poor code quality.

• Function called get_security_group should not send Teams message.
• Function called lookup_security_group should not send Teams message.
• Group ID should not be stored in a variable named cidr_address