Refactoring i3wm Script (#255)

* Refactoring i3wm Script

* minor fixes

* Complete the i3wm setup script for both Fedora and Arch Linux.

Co-Authored-By: aayush <[email protected]>
Co-Authored-By: aayushxvf <[email protected]>
Co-Authored-By: Smriti Bhandari <[email protected]>

* Fix With Shell Check

* Update i3wm.sh

* Add shfmt

* Remove shfmt

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Co-authored-by: aayush <[email protected]>
Co-authored-by: aayushxvf <[email protected]>
Co-authored-by: Smriti Bhandari <[email protected]>