Create Platform Navigation Menu component

[joshblack]

This issue is for implementing the navigation menu component found in:

Latest sketch file: https://ibm.box.com/s/4e4zrz6mlo0jpr8lw4vimwlxn4vc59cy

[stale]

We've marked this issue as stale because there hasn't been any activity for a couple of weeks. If there's no further activity on this issue in the next three days then we'll close it. Thanks for your contributions.

[carbon-bot]

Hi there! 👋 If you're wondering why this issue was moved, we're currently updating our repo structure so that every package is found in the same project.

This should not have any impact for you, but we wanted to give you a heads up in case you were wondering what is going on. If you have any questions, feel free to reach out to us on Slack or contact us at: [email protected]. Thanks!

[dakahn]

I think we're tracking this work in #2401 👍🏽

[chrisconnors-ibm]

specifically here: #2335