Global Partners LP, a Waltham company that owns, controls, or has access to one of the largest terminal networks of refined petroleum products and renewable fuels in the Northeast, said Monday that it has agreed to a $95 million deal that will add an Oregon crude oil and ethanol facility to its network. The transaction includes a rail transloading facility serviced by the BNSF Railway, 200,000 barrels of storage capacity, a deepwater marine terminal, a 1,200-foot dock, and the largest ethanol plant on the West Coast