Demo update version 0.6.0 — Dread Admiral Steam update #371715

Hey all, here are the patch notes for today's Demo build!Patch NotesGameplay:Added Demo Campaign!Large-scale memory optimization! Drastically reduced the amount of memory consumed during gameplay.Balance:Transports now reduce the Income and VP of enemy cities that they besiege by 50%.Minor:Fixed various bugs related to Cities changing teamsPillbox upgrades should now be destroyable, as intended. (Currently, the max chance is 15%, determined by net damage to the city.)Cities now spawn a text bubble about their income/vp generation when performing their growth routinesRemaining action highlights now differentiate between Recon or Movement for carriers.Moved the wait for patrols to land to before the turn swap.Recon pip now goes away on use rather than when the Recon is finished.Ai should no longer recon the same submarine multiple timesAi should no longer spam patrols when it already has p...