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/zzfta.java

@@ -0,0 +1,17 @@
+package com.google.android.gms.internal.ads;
+
+import androidx.annotation.Nullable;
+
+/* loaded from: classes3.dex */
+public abstract class zzfta {
+    public static zzfsz zzc() {
+        zzfrw zzfrwVar = new zzfrw();
+        zzfrwVar.zzb(8150);
+        return zzfrwVar;
+    }
+
+    public abstract int zza();
+
+    @Nullable
+    public abstract String zzb();
+}