Add creational patterns, Interpreter; remove scripts; update README

01-creational/abstract-factory/WindowsButton.java

@@ -0,0 +1,6 @@
+package abstractfactory;
+
+public class WindowsButton implements Button {
+    @Override public void render()   { System.out.println("[Windows] Rendering button with square corners"); }
+    @Override public void onClick()  { System.out.println("[Windows] Button clicked - raised border effect"); }
+}