Added Initial Script files for Lesson 0 - 18
Revert "Added Initial Script files for Lesson 0 - 18"

This reverts commit 8f2591d88555e58f38c7e0885c637f33ba776411.
Revert "Added Lessons 0 - 18"

This reverts commit e66f32c7a8fb30df59d949db76b1f671657c865d.