Sync Factory Method, Abstract Factory, Builder, Prototype to Java 25; fix post/code mismatches

01-creational/abstract-factory/LightButton.java

@@ -0,0 +1,11 @@
+package abstractfactory;
+public class LightButton implements Button {
+    @Override
+    public void render() {
+        System.out.println("[Light Button] White background, dark text, 1px gray border");
+    }
+    @Override
+    public void onClick() {
+        System.out.println("[Light Button] Subtle gray ripple effect");
+    }
+}