Develop Lego Set Management Page

[stynan27]

Description

Create a new react page to display upon navigating with the "Manage Sets" button. Will display a table of Lego sets based on mockup #23

• [x] unblock by completing #23

subtask of #9

[stynan27]

~- [ ] Go over react-router with @jtangelo98~

[stynan27]

Made a mistake in committing entirely to the main branch... 🙃 oh well.