cljs-nusmods.main - Add `ModuleType` to Exhibit items
cljs-nusmods.main - Add `ModuleType` to Exhibit items

This enables the ExhibitFacet which filters by Module Type.
In ClojureScript.

Signed-off-by: Pang Yan Han <22594c345857f664c61cd411f607c4d40a9d4af9@gmail.com>

yanhan/cljs-nusmods,yanhan/cljs-nusmods,yanhan/cljs-nusmods