Add beginnings of cd example from cl book

Created by  worr  on December 4, 2020

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added my first lisp program lol

Created by  worr  on December 4, 2020

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inital readme

Created by  worr  on December 3, 2020

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remove file dir

Created by  worr  on December 3, 2020

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initial commit

Created by  worr  on December 3, 2020

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