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/tapjoy/internal/o.java

@@ -0,0 +1,15 @@
+package com.tapjoy.internal;
+
+import java.util.ArrayList;
+import java.util.Observable;
+
+/* loaded from: classes4.dex */
+public abstract class o extends Observable {
+    public final ArrayList a = new ArrayList();
+
+    @Override // java.util.Observable
+    public final void setChanged() {
+        super.setChanged();
+        notifyObservers();
+    }
+}