Rewrite install script

install/01-bash.sh

@@ -1,13 +1,11 @@
 #!/usr/bin/env bash
+source "$(dirname $0)/utils.sh"
 
 bash_source="$dotfiles_dir/bash"
 bash_target="$HOME"
 link_folder "$bash_source" "$bash_target"
 echo "bash dotfiles are linked"
 
-source "$HOME/.bashrc"
-echo "bashrc sourced"
-
 sudo chmod -R 0644 /etc/update-motd.d/
 
 bash --version