Handle Go keyword for TSQL

[ettingshausen]

Handle Go keyword as reservedNewlineWords.

Origin SQL.

alter table t1 add n_col int null 
go 
update t1 set c_con=0

before

ALTER TABLE
    t1
ADD
    n_col int NULL go
UPDATE
    t1
SET
    c_con = 0

after:

ALTER TABLE
    t1
ADD
    n_col int NULL
GO
UPDATE
    t1
SET
    c_con = 0

[Gwaptiva]

Confirming that we ran into this exact issue with the integration of sql-formatter 2.0.5 in our tool, when SQL Server GO batch separators get glued to the following CREATE INDEX. Applied this patch locally and verified it fixes our ouput. Would appreciate a merge into the mainline