add example for bondlist option validation

examples/replicate/in.replicate

@@ -0,0 +1,32 @@
+# three orthogonal periodic CNTs
+# demo for replicating triply looped system
+# infinite loops in x, y, z
+# includes bonded interactions across box corners
+# includes bonds, angles, dihedrals, impropers (class2)
+
+units real
+
+boundary p p p
+
+atom_style full
+
+pair_style lj/class2 10
+
+angle_style class2
+
+bond_style class2
+
+dihedral_style class2
+
+improper_style class2
+
+read_data three_periodic_CNTs.data.gz
+
+replicate 2 2 2 bondlist
+
+fix 1 all nve
+
+run 100
+
+# write_restart replicate.restart
+# write_data replicate.data