Added meta info for NAMD parser

meta_info/nomad_meta_info/all.nomadmetainfo.json

@@ -23,6 +23,10 @@
       "relativePath": "lammps.nomadmetainfo.json"
     }, {
       "relativePath": "amber.nomadmetainfo.json"
+    }, {
+      "relativePath": "gromacs.nomadmetainfo.json"
+    }, {
+      "relativePath": "namd.nomadmetainfo.json"
     }, {
       "relativePath": "castep.nomadmetainfo.json"
     }, {