add item descriptions; refactor to full snapshots

src/server/index.js

@@ -15,6 +15,7 @@ const typeDefs = gql`
   type Item {
     id: ID!
     name: String!
+    description: String!
     thumbnailUrl: String!
     appearanceOn(speciesId: ID!, colorId: ID!): Appearance
   }
@@ -91,6 +92,10 @@ const resolvers = {
       const translation = await itemTranslationLoader.load(item.id);
       return translation.name;
     },
+    description: async (item, _, { itemTranslationLoader }) => {
+      const translation = await itemTranslationLoader.load(item.id);
+      return translation.description;
+    },
     appearanceOn: async (
       item,
       { speciesId, colorId },