adding more dataset

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+*.json filter=lfs diff=lfs merge=lfs -text

data/DMMath/data.json

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data/Enwiki/data.json

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data/EuroParliamentProceedings/data.json

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data/GithubDiff/data.json

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data/Gutenberg/data.json

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