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/zzfxf.java

@@ -0,0 +1,12 @@
+package com.google.android.gms.internal.ads;
+
+/* loaded from: classes3.dex */
+final class zzfxf {
+    public static int zza(int i) {
+        return (int) (Integer.rotateLeft((int) (i * (-862048943)), 15) * 461845907);
+    }
+
+    public static int zzb(Object obj) {
+        return zza(obj == null ? 0 : obj.hashCode());
+    }
+}