Update duckdb index files

.gitattributes

@@ -249,3 +249,4 @@ HuggingFaceGECLM--StackExchange_Mar2023/mathematica.meta/index.duckdb filter=lfs
 HuggingFaceGECLM--StackExchange_Mar2023/mathoverflow/index.duckdb filter=lfs diff=lfs merge=lfs -text
 HuggingFaceGECLM--StackExchange_Mar2023/mechanics.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 HuggingFaceGECLM--StackExchange_Mar2023/mechanics/index.duckdb filter=lfs diff=lfs merge=lfs -text
+HuggingFaceGECLM--StackExchange_Mar2023/meta.mathoverflow/index.duckdb filter=lfs diff=lfs merge=lfs -text

HuggingFaceGECLM--StackExchange_Mar2023/meta.mathoverflow/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1448996ec33c543b6e798fcb83b3aae766cebcc6dcb775e66a6a3c9e7adc1c01
+size 15478784