refactor: normalize files

src/main/resources/templates/remove-pages.html

@@ -18,7 +18,7 @@
             <form th:action="@{api/v1/general/remove-pages}" method="post" enctype="multipart/form-data">
               <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
               <div class="mb-3">
-                <label for="pageNumbers" th:text="#{pageRemover.pagesToDelete}"></label> 
+                <label for="pageNumbers" th:text="#{pageRemover.pagesToDelete}"></label>
                 <input type="text" class="form-control" id="fileInput" name="pageNumbers" placeholder="(e.g. 1,2,6 or 1-10,15-30)" required>
               </div>
               <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{pageRemover.submit}"></button>