Update train_enriched.jsonl: fixed chunker, regex, phase categorization

.gitattributes

@@ -62,3 +62,4 @@ data/full_corpus.txt filter=lfs diff=lfs merge=lfs -text
 data/training_data.txt filter=lfs diff=lfs merge=lfs -text
 train.txt filter=lfs diff=lfs merge=lfs -text
 train_trivium.txt filter=lfs diff=lfs merge=lfs -text
+train_enriched.jsonl filter=lfs diff=lfs merge=lfs -text

train_enriched.jsonl

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:83d26d93eca643cf2861dfb6343808e854007f85e3c5267c315efc490fd6d6d4
+size 34042920