Adding new project 'TUI'

I couldn't decide if CLI would implement a more traditional, unix-ish
commandline tool style or if I wanted a more stylish, TUI design, so I
separated those into two different projects.

.gitignore

@@ -4,7 +4,8 @@ Common/bin
 Common/obj
 CLI/bin
 CLI/obj
+TUI/bin
+TUI/obj
 .vs/
-Password\ Manager/PasswordManagerForm.resx
 /..gitignore.un~
 /.gitignore~