feat(rux-ruler): adds timeline ruler tooltips

[NicDominguez]

Brief Description

Potential implementation of tooltips on rux-ruler time ticks.

JIRA Link

https://rocketcom.atlassian.net/browse/R2C2-49

Related Issue

General Notes

• Adds a tooltips prop for including or omitting tooltips
• Formats the tooltips with date, time and julian day
• Provides the tooltip value from the helper function based on agreed upon pattern
• Adds a test to check that tooltips have beed added for each tick
• Storybook updated with new prop

Motivation and Context

Client request to provide more date information when viewing the timeline component.

Issues and Limitations

I would be interested in seeing a more flexible formatting pattern be available instead of this implementation by allowing the user to passing in a date formatting string. This pattern may be usable for other features so it deemed it out of scope for now.

Types of changes

• [ ] Bug fix
• [X] New feature
• [ ] Breaking change

Checklist

• [ ] This PR adds or removes a Storybook story.
• [ ] I have added tests to cover my changes.
• [ ] Regressions are passing and/or failures are documented
• [ ] Changes have been checked in evergreen browsers

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[markacianfrani]

closed not doing