Update readme and add screenshot

README.md

@@ -1,2 +1,15 @@
 # FlipperZero-SimonSays
-A Simon Says Game for the Flipper Zero
+## Think you can beat Simon?
+
+![Main Menu showing text that says "Welcome to Simon Says. Press OK to start"](Screenshot_MainMenu.png) ![Image of Dolphin telling the sequence](Screenshot_InGame.png)
+
+
+ ## Controls
+ - LED indicator turns red when Simon is speaking
+ - Use DPAD to match Simon's sequence
+
+ ## Coming Next
+ - Difficulty Mode
+ - Proper Main Menu
+ - Sound effects (the visually impaired can play too!)
+ - Vibration effects (the hearing impaired can play too!)