Configure course data upload storage

.gitattributes

@@ -1,3 +1,23 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:45b0aebd91f2adac814b25d9316c0694fd3113bb3192199a125ee6457adc1ef1
-size 821
+
+# Upload-only course archive
+* filter=lfs diff=lfs merge=lfs -text
+.gitattributes -filter -diff -merge text
+README.md -filter -diff -merge text
+_course_archive/Computational-Methods-MATLAB-61/directory-structure.json -filter -diff -merge text
+_course_archive/Computational-Methods-MATLAB-61/README.md -filter -diff -merge text
+
+# BEGIN course-upload-20261025-32
+"/补充资料-杂项-20261025/**" filter=lfs diff=lfs merge=lfs -text
+"/_course_archive/Computational-Methods-MATLAB-32-20261025/**" filter=lfs diff=lfs merge=lfs -text
+/.gitattributes -filter -diff -merge text
+"/_course_archive/Computational-Methods-MATLAB-32-20261025/directory-structure.json" -filter -diff -merge text
+"/_course_archive/Computational-Methods-MATLAB-32-20261025/README.md" -filter -diff -merge text
+# END course-upload-20261025-32
+
+# BEGIN course-upload-20261026-55
+"/补充资料-DMU课程资料-20261026/**" filter=lfs diff=lfs merge=lfs -text
+"/_course_archive/Computational-Methods-MATLAB-55-20261026/**" filter=lfs diff=lfs merge=lfs -text
+/.gitattributes -filter -diff -merge text
+"/_course_archive/Computational-Methods-MATLAB-55-20261026/directory-structure.json" -filter -diff -merge text
+"/_course_archive/Computational-Methods-MATLAB-55-20261026/README.md" -filter -diff -merge text
+# END course-upload-20261026-55