Add direct entry for datatables.net-dt

Previously, this relied on the version from datatables.net-buttons-dt, but
packaging is going to change to use package.json to derive the version number

Author: bdukes

package.json

@@ -20,6 +20,7 @@
     "chosen-js": "1.8.2",
     "clipboard": "1.7.1",
     "datatables.net-buttons-dt": "1.5.1",
+    "datatables.net-dt": "1.10.16",
     "date-fns": "1.29.0",
     "eonasdan-bootstrap-datetimepicker": "4.17.47",
     "es6-shim": "0.35.3",

yarn.lock

@@ -675,7 +675,7 @@ datatables.net-buttons@1.5.1:
     datatables.net "^1.10.15"
     jquery ">=1.7"
 
-datatables.net-dt@^1.10.15:
+datatables.net-dt@1.10.16, datatables.net-dt@^1.10.15:
   version "1.10.16"
   resolved "https://registry.yarnpkg.com/datatables.net-dt/-/datatables.net-dt-1.10.16.tgz#6758a308fb9e5f9629fb6541cc301e48ec9ec555"
   dependencies: