add Electroarena (refaced) to the collection

res/GAMES.CONF

@@ -174,6 +174,7 @@
 000011,DUNG.BEETLES=Dung Beetles
 000110,EARLY.BIRD=Early Bird
 000101,EI=Eggs-It
+100100,ELECTROARENA=Electroarena
 000011,EPOCH=Epoch
 000511,ES=Escape!
 011700,ETHER.QUEST=Ether Quest

src/prelaunch/electroarena.a

@@ -0,0 +1,26 @@
+;license:MIT
+;(c) 2025 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH.INDEXED/ELECTROARENA",plain
+*=$106
+
+    !source "src/macros.a"
+
+         +ENABLE_ACCEL
+         lda   #$60
+         sta   $7252
+         jsr   $3F78      ; decompress
+         +READ_RAM2_NO_WRITE
+         lda   MachineStatus
+         and   #CHEATS_ENABLED
+         beq   +
+         dec   $6190      ; don't decrease lives
++
+         jsr   DisableAccelerator
+         +READ_ROM_NO_WRITE
+         jmp   $6000
+
+!if * > HideLaunchArtwork {
+  !error "code is too large, ends at ", *
+}