Add navigation

[EdgarB]

Description

Add navigation bar.

How has this been tested?

Please mark the tests that you ran to verify your changes. If difficult to test, consider providing instructions so reviewers can test.

• Manual testing
• System tests
• Unit tests
• None

Checklist

• CI pipeline is passing
• My code follows the conventions of this project
• I have performed a self-review of my code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if applicable)
• I have added seed data to the database (if applicable)

Release tasks

Add any tasks that need to be done before/after the release of this feature.

Screenshots/Loom

This section is relevant in case we want to share progress with the team, otherwise, it can be omitted.

[LuigiR0jas]

Looks good so far!

Another thing I noticed is that the navbar should stay always at the bottom even if there's no content pushing it down.