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/internal/ads/zzbzo.java

@@ -0,0 +1,21 @@
+package com.google.android.gms.internal.ads;
+
+import java.math.BigInteger;
+
+/* loaded from: classes3.dex */
+public final class zzbzo {
+    private BigInteger zza = BigInteger.ONE;
+    private String zzb = "0";
+
+    public final synchronized String zza() {
+        String bigInteger;
+        bigInteger = this.zza.toString();
+        this.zza = this.zza.add(BigInteger.ONE);
+        this.zzb = bigInteger;
+        return bigInteger;
+    }
+
+    public final synchronized String zzb() {
+        return this.zzb;
+    }
+}