add readme, generate protobuf file

huangmingming

2023-01-29 5e5a88bc65ef8a1996ffe22c34e0569f61ae5ef3

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st    street
st    saint
dr    doctor
dr    drive
mt    mount
sr    senior
prof    professor
mt    mountain
sr    senior
jr    junior
vol    volume
rd    road
ave    avenue
approx    approximately