feat: support OK actions for alarms

[eoinsha]

This PR replaces #85 since the codebase has change significantly since

Add ok actions to notify if alarm is resolved.

Description

Resolves #84

Motivation and Context

CloudWatch Alarms support notifications to the same or other/additional topics when the alarm is resolved (ALARM -> OK). To date, SLIC Watch did not support this, only OK -> ALARM

How Has This Been Tested?

• npm t
• Deployment and manual validation of test projets

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING.md document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[coveralls]

coverage: 100.0%. remained the same
when pulling 32d2e06 on ok-alarm-actions
into 327a6f3 on main.

[direnakkoc]

LGTM!