Refactor hostname configuration in customization script to improve user experience. Simplify prompts for changing hostname and ensure current hostname is displayed clearly. Maintain existing hostname if no new input is provided.

costumize.sh

@@ -37,20 +37,16 @@ check_user() {
 set_hostname() {
     echo ""
     echo -e "${BLUE}=== Server Hostname Configuration ===${NC}"
-    echo "Current hostname: $(hostname)"
+    local current_hostname=$(hostname)
+    echo "Current hostname: $current_hostname"
     echo ""
     
-    read -p "Do you want to change the hostname? (y/N): " change_hostname
-    
-    if [[ ! "$change_hostname" =~ ^[Yy]$ ]]; then
-        log "Keeping current hostname: $(hostname)"
-        return 0
-    fi
-    
-    read -p "Enter new hostname for this server: " new_hostname
+    read -p "Enter hostname for this server (press Enter to keep '$current_hostname'): " new_hostname
     
+    # If empty, keep current hostname
     if [[ -z "$new_hostname" ]]; then
-        error "Hostname cannot be empty"
+        log "Keeping current hostname: $current_hostname"
+        return 0
     fi
     
     # Validate hostname format