chore: update install script

install.zsh

@@ -105,6 +105,7 @@ function install() {
     install_homebrew
     install_oh_my_zsh
     brew_bundle_install
+    initialize_symbolic_links
 
     echo "Installation is complete!"
 }

install/symlink.zsh

@@ -1,9 +1,15 @@
 #!/usr/bin/env zsh
 
 # config
+if [ ! -d "${HOME}/.config" ]; then
+    mkdir "${HOME}/.config"
+fi
 ln -nfs "${HOME}/dotfiles/.config/git" "${HOME}/.config/git"
 ln -nfs "${HOME}/dotfiles/.config/git/.gitconfig" "${HOME}/.gitconfig"
 ln -nfs "${HOME}/dotfiles/.config/gh" "${HOME}/.config/gh"
 
 # zshrc
+if [ -f "${HOME}/.zshrc" ]; then
+    mv "${HOME}/.zshrc" "${HOME}/.zshrc.bak"
+fi
 ln -nfs "${HOME}/dotfiles/.zshrc" "${HOME}/.zshrc"