Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ GSAT_civics/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 GSAT_geography/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 GSAT_history/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Basic[[:space:]]Traditional[[:space:]]Chinese[[:space:]]Medicine/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Clinical[[:space:]]Traditional[[:space:]]Chinese[[:space:]]Medicine/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Clinical Traditional Chinese Medicine/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d371c290ecaad46d865ad39a7b7cb168c8e0306eeb63bf387ed5c789d59b49d
+size 1060864