update readme
update readme

anaviltripathi/pgmpy,kris-singh/pgmpy,pgmpy/pgmpy,abinashpanda/pgmpy,sandeepkrjha/pgmpy,sandeepkrjha/pgmpy,khalibartan/pgmpy,liquidmetal/pgmpy,jhonatanoliveira/pgmpy,jhonatanoliveira/pgmpy,abinashpanda/pgmpy,khalibartan/pgmpy,ankurankan/pgmpy,liquidmetal/pgmpy,pgmpy/pgmpy,kris-singh/pgmpy,anaviltripathi/pgmpy,ankurankan/pgmpy