Added a manifest template for building source packages
Added a manifest template for building source packages

theoryno3/pygr,RitwikGupta/pygr,RitwikGupta/pygr,cjlee112/pygr,GenDataPro/pygr,theoryno3/pygr,RitwikGupta/pygr,cjlee112/pygr,cjlee112/pygr,theoryno3/pygr,GenDataPro/pygr,cjlee112/pygr,GenDataPro/pygr