fix pagination

src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java

@@ -46,10 +46,10 @@ public class GitFilteringController {
 
         Page<Commit> commitsPage = filteringService.getCommits(repositoryUrl,
                 branchName,
-                new OffsetablePageRequest(currentPage, pageSize));
+                new OffsetablePageRequest(currentPage - 1, pageSize));
         int totalPages = commitsPage.getTotalPages();
         if (totalPages > 0) {
-            List<Integer> pageNumbers = IntStream.rangeClosed(1, totalPages - 1)
+            List<Integer> pageNumbers = IntStream.rangeClosed(1, totalPages)
                     .boxed()
                     .collect(Collectors.toList());
             model.addAttribute("pageNumbers", pageNumbers);