feat: jsonl metadata

.gitattributes

@@ -59,3 +59,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
 metadata.csv filter=lfs diff=lfs merge=lfs -text
 train.csv filter=lfs diff=lfs merge=lfs -text
+train/metadata.jsonl filter=lfs diff=lfs merge=lfs -text

train/{metadata.csv → metadata.jsonl}

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a8f5f880b5e66d45383aa8c4c583aa6a4ec50e9adbcfb95537bd118702a29f16
-size 16088940
+oid sha256:14b9f1fdb47f70635eb0eb182e3c6901c85fbb53e23ed969bddb0da91a7b8d0b
+size 16154239