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/zzi.java

@@ -0,0 +1,23 @@
+package com.google.android.gms.internal.common;
+
+import android.os.Handler;
+import android.os.Looper;
+
+/* loaded from: classes3.dex */
+public class zzi extends Handler {
+    private final Looper zza;
+
+    public zzi() {
+        this.zza = Looper.getMainLooper();
+    }
+
+    public zzi(Looper looper) {
+        super(looper);
+        this.zza = Looper.getMainLooper();
+    }
+
+    public zzi(Looper looper, Handler.Callback callback) {
+        super(looper, callback);
+        this.zza = Looper.getMainLooper();
+    }
+}