Add support for spotfleet. Resolves #282 (#283)
Add support for spotfleet. Resolves #282 (#283)

* Add support for spotfleet. Resolves #282

* fix Interface ref and add Placement Type

jonjitsu/cfndsl,kornypoet/cfndsl,elmobp/cfndsl,stevenjack/cfndsl,stevenjack/cfndsl,elmobp/cfndsl,kornypoet/cfndsl