Update map pool and create event map folder

CMBW-maps/melee/1v1/Class 1 - Empire/Changelog - Empire-class.md

@@ -5,9 +5,8 @@ Empire-class maps are used in premiere 1 vs 1 tournaments. They are balanced aro
 
 This document logs changes to Empire-class maps. The current map listing always resides below this notice, followed by changes to the individual maps. Changes are listed from newest to oldest.
 
-## Empire-class maps - 10 August 2025
+## Empire-class maps - 21 August 2025
 - (2)Acid Test 1.1 by Pr0nogo
-- (2)Apollo 1.6 by Btyb
 - (2)Crisis Vector 1.1 by JujiK
 - (2)Demilune 1.5 by JujiK
 - (2)Dyadic Shore 3.1 by Btyb
@@ -20,10 +19,12 @@ This document logs changes to Empire-class maps. The current map listing always
 - (2)Serenity 1.4 by Btyb & JujiK
 - (3)Knife's Edge 1.0 by JujiK
 - (4)Blackwater Bastion 1.3 by Btyb
-- (4)Checkstealer 1.2 by Pr0nogo
-- (4)Decapitation 1.2 by Pr0nogo
 - (4)Mass Destruction 1.0 by Pr0nogo
 
+## Map pool changes -- 21 August 2025
+- OUT TO CLASS 2: Apollo, Decapitation
+- IN FROM CLASS 0: Potidaea, Punch Drunk, Quasar Quartet
+
 ## Map pool changes -- 10 August 2025
 - OUT TO CLASS 2: Brainstorm, Genesis Y, Qinngua Valley, Checkstealer
 - IN FROM CLASS 0: Acid Test, Knife's Edge, Atacama, Battle Spectre