show lemma and tactic docs

client/src/state/api.ts

@@ -20,6 +20,12 @@ interface LevelInfo {
   descrFormat: null|string,
 }
 
+interface Doc {
+  name: string,
+  text: string
+}
+
+
 const customBaseQuery = async (
   args : {method: string, params?: any},
   { signal, dispatch, getState, extra },
@@ -48,9 +54,12 @@ export const apiSlice = createApi({
     loadLevel: builder.query<LevelInfo, {world: string, level: number}>({
       query: ({world, level}) => {return {method: "loadLevel", params: {world, level}}},
     }),
+    loadDoc: builder.query<Doc, {name: string, type: "lemma"|"tactic"}>({
+      query: ({name, type}) => {return {method: "loadDoc", params: {name, type}}},
+    }),
   }),
 })
 
 // Export hooks for usage in functional components, which are
 // auto-generated based on the defined endpoints
-export const { useGetGameInfoQuery, useLoadLevelQuery } = apiSlice
+export const { useGetGameInfoQuery, useLoadLevelQuery, useLoadDocQuery } = apiSlice