Update the home page UI

[thatbudakguy]

See the interactive figma prototype.

Note that the first two of our featured categories are staying (datasets and maps) and the other two are going away.

The suggestion feature for the search bar is ticketed separately as #1047.

[thatbudakguy]

For original discussion on how to redesign the page, see #922.
For discussion on the featured categories, see #625.
This should close both those tickets.

[dbranchini]

Adding links to responsive designs -

Bootstrap XXL (includes a 16in laptop) - https://www.figma.com/design/nkgg905s5FyXoyPZjVMco0/EarthWorks?node-id=293-8648&t=8QZvdHdVmHPbMX1M-4

Small desktop/laptop - https://www.figma.com/design/nkgg905s5FyXoyPZjVMco0/EarthWorks?node-id=1162-33480&t=8QZvdHdVmHPbMX1M-4

Tablet - https://www.figma.com/design/nkgg905s5FyXoyPZjVMco0/EarthWorks?node-id=1162-33535&t=8QZvdHdVmHPbMX1M-4

Phone - https://www.figma.com/design/nkgg905s5FyXoyPZjVMco0/EarthWorks?node-id=1162-33579&t=8QZvdHdVmHPbMX1M-4