Change ZSH configuration

- Enable keychain
- Fix ls alias
- Added sway startup script

zsh/.zshenv

@@ -1,10 +1,3 @@
-[ -f "$HOME/.ghcup/env" ] && . "$HOME/.ghcup/env"
-
-if [ -f "/home/linuxbrew/.linuxbrew/bin/brew" ]; then
-  # Initialize Homebrew
-  eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
-fi
-
 if command -v starship > /dev/null 2>&1; then
   # Initialize Starship
   eval "$(starship init zsh)"