Updated Ibis Exorted Files

Add pipe to redirection chapter (bobbyiliev#41)

* add pipe to redirection chapter

* Update 023-bash-redirection.md

Co-authored-by: Bobby Iliev <bobby@bobbyiliev.com>

adding slicing of string (bobbyiliev#38)

closes #17

Added a new chapter: Bash Redirection. (bobbyiliev#37)

* added a new chapter 023-bash-redirection.md

* added the new chapter to README.md

* fixed typos in 023-bash-redirection.md

Multiple conditions (bobbyiliev#34)

* Add multiple conditions example

fix typos (bobbyiliev#31)

Typo fixes :) (bobbyiliev#30)

Fix typo (bobbyiliev#27)

Fix typo

Fixed typo (#25)

Add sample PDF