Update duckdb index files

.gitattributes

@@ -202,3 +202,4 @@ modern_chinese_history/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 marxism/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mao_zedong_thought/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 probability_and_statistics/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+high_school_physics/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

high_school_physics/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52c073e62af1643ae8f75949789568cac937242c8e5af9675f3a7c376f069ce5
+size 1060864