feat: SQL execution based metrics

[shahules786]

from ragas.metrics._datacompy_score import DataCompyScore
from ragas.dataset_schema import SingleTurnSample

data1 = """acct_id,dollar_amt,name,float_fld,date_fld
10000001234,123.45,George Maharis,14530.1555,2017-01-01
10000001235,0.45,Michael Bluth,1,2017-01-01
10000001236,1345,George Bluth,,2017-01-01
10000001237,123456,Bob Loblaw,345.12,2017-01-01
10000001238,1.05,Lucille Bluth,,2017-01-01
10000001238,1.05,Loose Seal Bluth,,2017-01-01
"""

data2 = """acct_id,dollar_amt,name,float_fld
10000001234,123.4,George Michael Bluth,14530.155
10000001235,0.45,Michael Bluth,
10000001236,1345,George Bluth,1
10000001237,123456,Robert Loblaw,345.12
10000001238,1.05,Loose Seal Bluth,111
"""
sample = SingleTurnSample(response=data1, reference=data2)
scorer = DataCompyScore(metric="precision", mode='columns')
await scorer.single_turn_ascore(sample)