Gecko/AR Batch Approval

Adding a community-requested list of Gecko and Action Replay codes to the allowlist. Many of these codes were from the wiki and are being added to Dolphin's repo for the first time.

Data/Sys/GameSettings/GUNE5Dr0.ini

@@ -0,0 +1,19 @@
+# GUNE5D - Gauntlet - Dark Legacy
+
+[OnFrame]
+# Add memory patches to be applied every frame here.
+
+[ActionReplay]
+# Add action replay cheats here.
+$16:9 Widescreen
+043438A8 3FAF0000
+043486A8 406CB800
+$60Hz
+040B66F8 60000000
+0402F0E4 38600002
+0402F1CC 60000000
+04343F70 3C888889
+
+[AR_RetroAchievements_Verified]
+$16:9 Widescreen
+$60Hz