Wrote script to clean up LaTeX build files

Used Shellcheck to change all my scripts to bash and lint them. Exported my
scripts to $PATH. Fixed my liked Arch packages.

dotfiles/zshrc

@@ -108,7 +108,7 @@ if [[ ! $DISPLAY && $XDG_VTNR -eq 1 ]]; then
 fi
 
 # pywal
-export PATH="${PATH}:${HOME}/.local/bin/"
+export PATH="${PATH}:${HOME}/.local/bin/:${HOME}/linux-config/scripts"
 (cat ~/.cache/wal/sequences &)
 
 # keyboard delay/rate