Combine choose/add workspace functionality

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Add placeholder rows for empty keybindings

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Bring mouse to focused window

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Bind closewindow to less accessible key

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>