update readme with edges and associations instructions
update readme with edges and associations instructions

geminixxl/NeoEloquent,logikinc/NeoEloquent,togusafish/logikinc-_-NeoEloquent,sgpatil/NeoEloquent,andrewdalpino/NeoEloquent,DenisGold/NeoEloquent,tomb10516/NeoEloquent,pchaow/NeoEloquent