dics: fix find...Lean docs (#312, #311)

Lean is an option now not a separate resolver.

Author: canac

README.md

@@ -142,12 +142,12 @@ schemaComposer.Query.addFields({
   userMany: UserTC.mongooseResolvers.findMany(),
   userDataLoader: UserTC.mongooseResolvers.dataLoader(),
   userDataLoaderMany: UserTC.mongooseResolvers.dataLoaderMany(),
-  userByIdLean: UserTC.mongooseResolvers.findByIdLean(),
-  userByIdsLean: UserTC.mongooseResolvers.findByIdsLean(),
-  userOneLean: UserTC.mongooseResolvers.findOneLean(),
-  userManyLean: UserTC.mongooseResolvers.findManyLean(),
-  userDataLoaderLean: UserTC.mongooseResolvers.dataLoaderLean(),
-  userDataLoaderManyLean: UserTC.mongooseResolvers.dataLoaderManyLean(),
+  userByIdLean: UserTC.mongooseResolvers.findById({ lean: true }),
+  userByIdsLean: UserTC.mongooseResolvers.findByIds({ lean: true }),
+  userOneLean: UserTC.mongooseResolvers.findOne({ lean: true }),
+  userManyLean: UserTC.mongooseResolvers.findMany({ lean: true }),
+  userDataLoaderLean: UserTC.mongooseResolvers.dataLoader({ lean: true }),
+  userDataLoaderManyLean: UserTC.mongooseResolvers.dataLoaderMany({ lean: true }),
   userCount: UserTC.mongooseResolvers.count(),
   userConnection: UserTC.mongooseResolvers.connection(),
   userPagination: UserTC.mongooseResolvers.pagination(),