Added CPP template file

.template_files/modules/module_name.cpp

@@ -0,0 +1,16 @@
+/*
+ * Author: username
+ * Date: todays_date 
+ * filename: module_name.cpp
+ * description: module_purpose
+ */
+
+#include "module_name.h"
+
+// dumb test function
+int add_two(int a)
+{
+    int b = a;
+    b += 2;
+    return b;
+}