Add metrics repositories to main repository

.gitattributes

.gitignore

data/multiwoz_2.2/dev/dialogues_001 (1).json

data/multiwoz_2.2/dev/dialogues_002.json

data/multiwoz_2.2/test/dialogues_001 (1).json

data/multiwoz_2.2/test/dialogues_002.json

data/multiwoz_2.2/train/dialogues_002.json

data/multiwoz_2.2/train/dialogues_003.json

data/multiwoz_2.2/train/dialogues_004.json

data/multiwoz_2.2/train/dialogues_005.json

data/multiwoz_2.2/train/dialogues_006.json

data/multiwoz_2.2/train/dialogues_007.json

data/multiwoz_2.2/train/dialogues_008.json

data/multiwoz_2.2/train/dialogues_009.json

data/multiwoz_2.2/train/dialogues_010.json

data/multiwoz_2.2/train/dialogues_011.json

data/multiwoz_2.2/train/dialogues_012.json

data/multiwoz_2.2/train/dialogues_013.json

data/multiwoz_2.2/train/dialogues_014.json

data/multiwoz_2.2/train/dialogues_015.json