story/VSPC-242

[jophals]

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Users should be able to include external links on their slides, which will be visible on the public page.

Anything else the reviewer needs to know?

This is my first Java PR!

[jdamerow]

Resolve conflicts please

[jdamerow]

Make it so, Jenkins.

[jdamerow]

Clicking the button that says "Add External Link" doesn't do anything. I believe it's because of a syntax error (that shows in the console).

Also, I'm confused about where the "External Resources" block would show up. Sometimes it is on top, sometimes at the bottom and sometimes in between?

And lastly, while I don't know how it looks like when there are links, the heading looks too off to the side:

[jdamerow]

Resolve conflicts please

[jdamerow]

Make it so, Jenkins.

[jdamerow]

The "External Resources" block is cut off at the bottom (there should be two links but only one is visible). Also, the heading shows up even if there are no links.

[jdamerow]

Make it so, Jenkins.

[jdamerow]

The links should be in the color scheme of the rest of the exhibition.

[jdamerow]

Also, there seem to be changes in here that make the branching points disappear:

[jdamerow]

Make it so, Jenkins.

[jdamerow]

There are still issues, but I'll merge this to get it out of the way and create new tickets.