Build 26287134

* new: base defense game mode against enemy waves, and rebel raids in the learn to play missions
* new: units are now line of sight aware and no longer shoot through walls or buildings
* new: deploy move command for transport units (thanks to Slash)
* new: captured resource fields now show player-branded banners
* new: cycle through the last attacked units and buildings with BACKSPACE (thanks Mr.X)
* new: original music for the briefing scene (thanks PH)
* manual: added technology trees
* steam workshop: added a button to browse the workshop
* skirmish: uranium is now fully deactivated when super weapons are disabled
* AA towers nerfed: reduced vision, range and attack frequency, and they can no longer attack naval units
* units that can't attack back now flee instead of taking damage helplessly (thanks Slash)
* engineers now have a larger auto-repair range (thanks to Slash)
* trucks can now switch cargo (thanks Slash)
* QOL: units and buildings are more visible on the minimap, and allies now show up in green (thanks Slash)
* bridges are now higher so naval units no longer collide with them
* fix multiplayer bugs with zombie engineers, folded bombers and permanently deployed MLRS
* fix campaign mission 1 incomplete wall and open gate blocking units
* fix enemy buildings that spawn within your vision not being hidden by fog of war
* fix tactical pause bug (thanks Alex)
* fix UI text overflowing with long translations (freaking German words)
* multiple bug and crash fixes