Add pass_array example

examples/pass_array/pass_array.mc

@@ -0,0 +1,17 @@
+void foo(int[10] array)
+{
+	array[5] = 42;
+}
+
+int main()
+{
+	int[10] array;
+	array[5] = 23;
+
+	foo(array);
+
+	print_int(array[5]);
+	print_nl();
+
+	return 0;
+}

examples/pass_array/pass_array.stdout.txt

@@ -0,0 +1 @@
+42