Add Discord community version (64-bit only)

- Added realracing3-community.apk (71.57 MB)
- Removed 32-bit support (armeabi-v7a)
- Only includes arm64-v8a libraries
- Decompiled source code included
- Added README-community.md with analysis

decompiled-community/sources/com/google/android/gms/games/leaderboard/LeaderboardBuffer.java

@@ -0,0 +1,24 @@
+package com.google.android.gms.games.leaderboard;
+
+import androidx.annotation.NonNull;
+import com.google.android.gms.common.data.DataHolder;
+import com.google.android.gms.common.data.EntityBuffer;
+
+/* loaded from: classes2.dex */
+public class LeaderboardBuffer extends EntityBuffer<Leaderboard> {
+    public LeaderboardBuffer(@NonNull DataHolder dataHolder) {
+        super(dataHolder);
+    }
+
+    @Override // com.google.android.gms.common.data.EntityBuffer
+    @NonNull
+    public final /* bridge */ /* synthetic */ Leaderboard getEntry(int i, int i2) {
+        return new LeaderboardRef(this.mDataHolder, i, i2);
+    }
+
+    @Override // com.google.android.gms.common.data.EntityBuffer
+    @NonNull
+    public final String getPrimaryDataMarkerColumn() {
+        return "external_leaderboard_id";
+    }
+}