Add PySimpleGUI (#1259)

* Create PySimpleGUI.py

* Update readme.md

* language count increment

p/PySimpleGUI.py

@@ -0,0 +1,3 @@
+import PySimpleGUI
+
+PySimpleGUI.popup_no_buttons('Hello World')

readme.md

@@ -8,7 +8,7 @@ Thanks to everyone who continues to contribute; new languages are created every
 Make sure to see [contributing.md](/contributing.md) for instructions on contributing to the project!
 
 <!--Languages start-->
-## Languages (874 total)
+## Languages (875 total)
 
 * [!@#$%^&*()_+](%23/%21%40%23%24%25%5E%26%E2%88%97%28%29_%2B)
 * [():;#?!](%23/%28%29%CB%B8%3B%23%EF%BC%9F%21)
@@ -667,6 +667,7 @@ Make sure to see [contributing.md](/contributing.md) for instructions on contrib
 * [PyQt4](p/PyQt4.py)
 * [PyQt5](p/PyQt5.py)
 * [Pyret](p/Pyret.arr)
+* [PySimpleGUI](p/PySimpleGUI.py)
 * [Python 2](p/Python%202.py)
 * [Python 3](p/Python%203.py)
 * [Q](q/Q.q)