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/tasks/zzu.java

@@ -0,0 +1,16 @@
+package com.google.android.gms.tasks;
+
+import android.os.Handler;
+import android.os.Looper;
+import androidx.annotation.NonNull;
+import java.util.concurrent.Executor;
+
+/* loaded from: classes3.dex */
+final class zzu implements Executor {
+    private final Handler zza = new com.google.android.gms.internal.tasks.zza(Looper.getMainLooper());
+
+    @Override // java.util.concurrent.Executor
+    public final void execute(@NonNull Runnable runnable) {
+        this.zza.post(runnable);
+    }
+}