Installed all engines and solar panels (according to design)
Configured action groups for all engines, landing gear and grid fins
(I expected this to be included with the mod since it seems a bit recursive to build it yourself)
Mods needed:
https://kerbal.curseforge.com/projects/spacex-interplanetary-transportation-system-by
Optional (To replace crew transport payload with ReFueler payload):
https://kerbal.curseforge.com/projects/hangar-extender?gameCategorySlug=ksp-mods&projectID=220250
Disclaimer:
This project is simply a incremental development over ThrimmAS's mod. I do not in any way am the creator or the owner of said mod