xet-track llama-2.json and gpt2.json (#7)

- xet-track llama-2.json and gpt2.json (266c8d8f95ed3eb25d470980c09a6c81d9b2ae36)
- Add llama-2.json and gpt2.json bench tokenizer configs (afaef39af616fc2c9569e579762bed925dc2e965)

.gitattributes

@@ -64,4 +64,6 @@ fixtures/**/*.txt filter=lfs diff=lfs merge=lfs -text
 bert-base-uncased.json filter=lfs diff=lfs merge=lfs -text
 deepseek-v4.json filter=lfs diff=lfs merge=lfs -text
 t5-base.json filter=lfs diff=lfs merge=lfs -text
+llama-2.json filter=lfs diff=lfs merge=lfs -text
+gpt2.json filter=lfs diff=lfs merge=lfs -text
 fixtures/models/** filter=lfs diff=lfs merge=lfs -text

gpt2.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8414cab924d8b9b33013f0d221c5862f365ee9be39c5c2bfae8a5a9e970478a6
+size 1355256

llama-2.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8eea70c4866c4f1320ba096fc986ac82038a8374dbe135212ba7628835b4a6f1
+size 1842764