Add solutions for part 1

tools/builtInChips/Or16.hdl

@@ -0,0 +1,16 @@
+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: tools/builtIn/Or16.hdl
+
+/**
+ * 16-bit bitwise Or gate: for i = 0..15 out[i] = a[i] or b[i].
+ */
+
+CHIP Or16 {
+
+    IN  a[16], b[16];
+    OUT out[16];
+
+    BUILTIN Or;
+}