UI and `gdexport serve` command

It's pretty simple; boots on localhost:4000 and uses your installed creds. If you want to serve to remote customers (not wise with personal accounts), do this:

gdexport serve :4000

More controls and expansions are coming here, so keep an eye open!

Beta 2: Better handling of images, bullets

Binaries!

Initial Release

This is not perfect, but comfortable enough to start testing with. Here are some binaries.