add offset and limit to learning objects index

app/controllers/v1/learning_objects_controller.rb

@@ -12,6 +12,8 @@ class V1::LearningObjectsController < ApplicationController
   before_action :authorize!, only: [:show, :update, :destroy]
 
   def index
+    limit = params[:limit] || 10
+    offset = params[:offset] || 0
     serializer = params[:obaa].nil? ? LearningObjectSerializer : LearningObjectObaaSerializer
     render json: LearningObject.limit(limit).offset(offset).all, each_serializer: serializer
   end