Update duckdb index files

.gitattributes

@@ -83,3 +83,4 @@ hu_szegedkoref-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 no_bokmaalnarc-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_pdt-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_pdt-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+no_nynorsknarc-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

no_nynorsknarc-corefud/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94d83f3b8d4d67cff6ccee586082e5f663090767b24c3b5e357038d9baf427fe
+size 5255168