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/PlayerBuffer.java

@@ -0,0 +1,18 @@
+package com.google.android.gms.games;
+
+import androidx.annotation.NonNull;
+import com.google.android.gms.common.data.AbstractDataBuffer;
+import com.google.android.gms.common.data.DataHolder;
+
+/* loaded from: classes2.dex */
+public class PlayerBuffer extends AbstractDataBuffer<Player> {
+    public PlayerBuffer(@NonNull DataHolder dataHolder) {
+        super(dataHolder);
+    }
+
+    @Override // com.google.android.gms.common.data.AbstractDataBuffer, com.google.android.gms.common.data.DataBuffer
+    @NonNull
+    public Player get(int i) {
+        return new PlayerRef(this.mDataHolder, i, null);
+    }
+}