Add Base64 embedded images to dataset

.gitattributes

@@ -59,3 +59,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
 balanced_thinking_sft_mm_verl_processed.jsonl filter=lfs diff=lfs merge=lfs -text
+balanced_thinking_sft_mm_verl_base64.jsonl filter=lfs diff=lfs merge=lfs -text

balanced_thinking_sft_mm_verl_base64.jsonl

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a92e01b449f2b0a09a8ec797d39f7250b6daaa8f934688d70441c6a18443daf8
+size 228995690