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/dynamite/zzb.java

@@ -0,0 +1,33 @@
+package com.google.android.gms.dynamite;
+
+import androidx.annotation.GuardedBy;
+import androidx.annotation.Nullable;
+
+/* loaded from: classes2.dex */
+public final class zzb {
+
+    @Nullable
+    @GuardedBy("DynamiteLoaderV2ClassLoader.class")
+    private static ClassLoader zza;
+
+    @Nullable
+    @GuardedBy("DynamiteLoaderV2ClassLoader.class")
+    private static Thread zzb;
+
+    /* JADX WARN: Code restructure failed: missing block: B:12:0x00a3, code lost:
+    
+        if (r1 == null) goto L60;
+     */
+    @androidx.annotation.Nullable
+    /*
+        Code decompiled incorrectly, please refer to instructions dump.
+        To view partially-correct add '--show-bad-code' argument
+    */
+    public static synchronized java.lang.ClassLoader zza() {
+        /*
+            Method dump skipped, instructions count: 219
+            To view this dump add '--comments-level debug' option
+        */
+        throw new UnsupportedOperationException("Method not decompiled: com.google.android.gms.dynamite.zzb.zza():java.lang.ClassLoader");
+    }
+}