added exa and exa config

.zshrc

@@ -108,6 +108,8 @@ plugins=(git
 # Example aliases
 # alias zshconfig="mate ~/.zshrc"
 # alias ohmyzsh="mate ~/.oh-my-zsh"
+alias ls = exa
+alias l = exa -lah
 
 ZSH_CACHE_DIR=$HOME/.cache/oh-my-zsh
 if [[ ! -d $ZSH_CACHE_DIR ]]; then