Fix typo in ModelStore.md
Fix typo in ModelStore.md

Deepomatic/DIGITS,ethantang95/DIGITS-GAN,Deepomatic/DIGITS,ethantang95/DIGITS,ethantang95/DIGITS,Deepomatic/DIGITS,ethantang95/DIGITS-GAN,ethantang95/DIGITS,ethantang95/DIGITS-GAN,ethantang95/DIGITS-GAN,Deepomatic/DIGITS,ethantang95/DIGITS