add new d-flex for put rename to next line

src/server/views/modal/rename.html

@@ -62,9 +62,11 @@
               <input type="hidden" name="path" value="{{ page.path }}">
               <input type="hidden" name="page_id" value="{{ page._id.toString() }}">
               <input type="hidden" name="revision_id" value="{{ page.revision._id.toString() }}">
-              <button type="submit" class="btn btn-primary">Rename</button>
             </div>
           </div>
+          <div class="d-flex justify-content-end">
+            <button type="submit" class="btn btn-primary">Rename</button>
+          </div>
         </div>
 
       </form>