Configure course data upload storage

.gitattributes

@@ -1,3 +1,15 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3b1fbb28279f074713542bfb2a79f8334afa019712229d31b83a8d1bc335fa04
-size 313
+
+# Upload-only course archive
+* filter=lfs diff=lfs merge=lfs -text
+.gitattributes -filter -diff -merge text
+README.md -filter -diff -merge text
+_course_archive/Computer-Graphics-64/directory-structure.json -filter -diff -merge text
+_course_archive/Computer-Graphics-64/README.md -filter -diff -merge text
+
+# BEGIN course-upload-20261025-15
+"/补充资料-杂项-20261025/**" filter=lfs diff=lfs merge=lfs -text
+"/_course_archive/Computer-Graphics-15-20261025/**" filter=lfs diff=lfs merge=lfs -text
+/.gitattributes -filter -diff -merge text
+"/_course_archive/Computer-Graphics-15-20261025/directory-structure.json" -filter -diff -merge text
+"/_course_archive/Computer-Graphics-15-20261025/README.md" -filter -diff -merge text
+# END course-upload-20261025-15