release: update docs to reflect new layout
release: update docs to reflect new layout

- Split linux32/linux64 releases
- Split win32/win64 zips
- Post-processing should no longer be required. The deterministic outputs are
  ready for consumption.

syscoin/syscoin,Crowndev/crowncoin,Infernoman/crowncoin,syscoin/syscoin,domob1812/crowncoin,syscoin/syscoin,Crowndev/crowncoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,domob1812/crowncoin,Crowndev/crowncoin,domob1812/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,syscoin/syscoin,syscoin/syscoin,Infernoman/crowncoin,Infernoman/crowncoin,Infernoman/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,Crowndev/crowncoin