Moved all demo programs into subfolder

Demo_Keyboard.py

@@ -1,29 +0,0 @@
-#!/usr/bin/env python
-import sys
-if sys.version_info[0] >= 3:
-    import PySimpleGUI as sg
-else:
-    import PySimpleGUI27 as sg
-
-# Recipe for getting keys, one at a time as they are released
-# If want to use the space bar, then be sure and disable the "default focus"
-
-layout = [[sg.Text("Press a key or scroll mouse")],
-          [sg.Text("", size=(18,1), key='text')],
-          [sg.Button("OK", key='OK')]]
-
-window = sg.Window("Keyboard Test", return_keyboard_events=True, use_default_focus=False).Layout(layout)
-
-# ---===--- Loop taking in user input --- #
-while True:
-    event, values = window.Read()
-    text_elem = window.FindElement('text')
-    if event in ("OK", None):
-        print(event, "exiting")
-        break
-    if len(event) == 1:
-        text_elem.Update(value='%s - %s' % (event, ord(event)))
-    if event is not None:
-        text_elem.Update(event)
-
-