✨ (install.sh): add backup and restore logic for .gitconfig to prevent loss during installation

install.sh

@@ -20,6 +20,13 @@ do
     esac
 done
 
+if [ -f ~/.gitconfig ]; then
+    cp ~/.gitconfig ~/.gitconfig.backup
+    echo "Backup of .gitconfig created."
+else
+    echo ".gitconfig does not exist, no backup created."
+fi
+
 if command -v zsh &> /dev/null && command -v git &> /dev/null && command -v wget &> /dev/null && command -v fc-cache &> /dev/null; then
     echo -e "ZSH, Git, wget, and fontconfig are already installed\n"
 else
@@ -30,6 +37,14 @@ else
     fi
 fi
 
+if [ -f ~/.gitconfig.backup ]; then
+    mv ~/.gitconfig.backup ~/.gitconfig
+    echo "Restored .gitconfig from backup."
+else
+    echo "No .gitconfig backup found to restore."
+fi
+
+
 ZSH="$HOME/.oh-my-zsh"
 
 if mv -n ~/.zshrc ~/.zshrc-backup-$(date +"%Y-%m-%d"); then # backup .zshrc