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/ads/mediation/MediationNativeAdapter.java

@@ -0,0 +1,12 @@
+package com.google.android.gms.ads.mediation;
+
+import android.content.Context;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+@Deprecated
+/* loaded from: classes2.dex */
+public interface MediationNativeAdapter extends MediationAdapter {
+    void requestNativeAd(@NonNull Context context, @NonNull MediationNativeListener mediationNativeListener, @NonNull Bundle bundle, @NonNull NativeMediationAdRequest nativeMediationAdRequest, @Nullable Bundle bundle2);
+}