patch 9.1.1058: translation(sr): Missing Serbian translation for the tutor

Problem:  translation(sr): Missing Serbian translation for the tutor
Solution: include new Serbian translation for the new tutor,
          include translation for chapter 2 of the traditional tutor,
          update the Makefiles for installing the runtime files
          (Ivan Pešić)

closes: #16550

Signed-off-by: Ivan Pešić <27575106+eevan78@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/Filelist b/Filelist
index db61ceb..db552d67 100644
--- a/Filelist
+++ b/Filelist
@@ -773,6 +773,8 @@
 		runtime/tutor/en/vim-01-beginner.tutor.json \
 		runtime/tutor/it/vim-01-beginner.tutor \
 		runtime/tutor/it/vim-01-beginner.tutor.json \
+		runtime/tutor/sr/vim-01-beginner.tutor \
+		runtime/tutor/sr/vim-01-beginner.tutor.json \
 		runtime/tutor/tutor.tutor \
 		runtime/tutor/tutor.tutor.json \
 		runtime/tutor/tutor.vim \