Create initial NAMD/2.13 module

The binary build lives in Tools/NAMD; the source build will be
in MPI/NAMD.

Tools/NAMD/build

@@ -0,0 +1,22 @@
+#!/usr/bin/env modbuild
+
+# Binary distribution with manual installation. See README.md
+
+pbuild::add_to_group 'Tools'
+
+pbuild::prep() {
+    :
+}
+
+pbuild::configure() {
+    :
+}
+
+pbuild::compile() {
+    :
+}
+
+pbuild::install() {
+    :
+}
+