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/common/zzo.java

@@ -0,0 +1,13 @@
+package com.google.android.gms.internal.common;
+
+import org.jspecify.nullness.NullMarked;
+
+@NullMarked
+/* loaded from: classes3.dex */
+public abstract class zzo {
+    public static zzo zzb(char c) {
+        return new zzl(c);
+    }
+
+    public abstract boolean zza(char c);
+}