Added increse in speed every wall and paddle bounce

Created Scoreboard class

PEP-8 style lines at ends of paddle and ball removed/added

Added condition for ball out of the table

created ball bounce conditions in main

Created ball bounce with wall condition

Changed motion of ball

Setup initial motion of ball to screen top right border

modified gitignore to remove pycache

Defined Ball class

Creating file ball.py which will contain ball class

deleted pycache

Added left paddle functions

Screen setup change by using constants

Refactor movement of Paddle