Add/Update examples from local folder

.gitattributes

@@ -36,3 +36,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 tokenizer.json filter=lfs diff=lfs merge=lfs -text
 vocab.* filter=lfs diff=lfs merge=lfs -text
 merges.txt filter=lfs diff=lfs merge=lfs -text
+*.nii filter=lfs diff=lfs merge=lfs -text
+*.nii.gz filter=lfs diff=lfs merge=lfs -text

examples/B000017214_20201016_1.nii.gz

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examples/B000017214_20201016_2.nii.gz

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+size 3151971

examples/B000017214_20201016_mask.nii.gz

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examples/B000019708_20170620_1.nii.gz

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+size 4894517

examples/B000019708_20170620_2.nii.gz

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examples/B000019708_20170620_mask.nii.gz

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