Added dashboard page layout & sites overview

backend/app/handlers/site.go

@@ -89,6 +89,9 @@ func validateIncomingSite(site *models.Site) error {
 	if site == nil {
 		return errors.New("site is required")
 	}
+	if site.Name == "" {
+		return errors.New("site name is required")
+	}
 	if site.GitServer == "" {
 		return errors.New("git server required")
 	}