Add static tank support for Dead Center 2025

As requested by the author himself.

Author: SirPlease

cfg/cfgogl/zonemod/shared_settings.cfg

@@ -366,6 +366,8 @@ static_tank_map dkr_m5_stadium
 static_tank_map cdta_05finalroad
 static_tank_map l4d_dbd2dc_new_dawn
 static_tank_map dcr_m4_atrium
+static_tank_map dc2025_4
+static_tank_map dc2025_5
 
 // Finales with flow + second event Tanks
 tank_map_flow_and_second_event c2m5_concert