[이름순], [날짜순], [미리보기] 버튼 오른쪽 정렬

src/renderer/index.html

@@ -15,7 +15,7 @@
 <div id="toolbar">
   <button class="btn btn-warning" id="btn-open"><span>📁</span>폴더 열기 (O)</button>
   <button class="btn btn-success" id="btn-rename" disabled><span>✅</span>이름 변경 실행 (S)</button>
-  <div class="separator"></div>
+  <div class="separator" style="margin-left:auto;"></div>
   <div class="sort-group">
     <button class="sort-btn" id="btn-sort-name">이름순</button>
     <button class="sort-btn" id="btn-sort-date">날짜순</button>