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/mbridge/msdk/foundation/download/utils/Utils.java

@@ -0,0 +1,17 @@
+package com.mbridge.msdk.foundation.download.utils;
+
+/* loaded from: classes4.dex */
+public final class Utils {
+    public static int getDownloadRate(long j, long j2) {
+        if (j == 0 || j2 == 0) {
+            return 0;
+        }
+        if (j == j2) {
+            return 100;
+        }
+        return (int) (((j2 * 1.0d) / (j * 1.0d)) * 100.0d);
+    }
+
+    private Utils() {
+    }
+}