Add GUI (#7)

* Create a dummy WPF project

* Set up Ammy placeholders

* Don't track autogenerated files

* Basic layout

* Add Program.cs

* Implement basic workflow

* Autofocus token textbox and add Enter key handler

* Strip double quotes from token

* AmmyUI converters are slightly dumb :(

* Use CanExecute

* Add file path select and theme select, also refactor

* Persist token

* Trying to improve UI/UX - 1

* Rename stuff

* Finish improving UI/UX

* Remove data placeholder

* Remove border on middle grid

* Ok now i'm done

* Improve Discord API layer

* Add lots of stuff

* Show filesizes in export

* Improve export

* Animations

* Update readme

* Improving gui again

* Improve UI again

* Refactor

.gitignore

@@ -258,4 +258,7 @@ paket-files/
 
 # Python Tools for Visual Studio (PTVS)
 __pycache__/
-*.pyc
+*.pyc
+
+# Ammy auto-generated XAML
+*.g.xaml