Add support for images & galleries

[damontecres]

This is a work in progress

Adds support for showing images & galleries

Minimum features:

• [x] Display an image
• [x] Display list of images (w/ filter)
• [x] Support images on main page
• [x] Add gallery count & icon to card
• [x] Add overlay with details

Extra features

• [x] Move between images w/ left & right
• [x] Add controls to zoom and move image

[damontecres]

I've noticed some of the images I'm testing with do not display, but there's no error.

These images happen to be all large (~9mb) PNGs, but unsure if that's the cause.