add questions query

app/graphql/inputs/question_where_input.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Inputs
+  class QuestionWhereInput < Types::BaseInputObject
+    argument :check_type, [Enums::QuestionCheckTypeEnum], required: false
+    argument :status, [Enums::QuestionStatusEnum], required: false
+    argument :difficulty, [Enums::QuestionDifficultyEnum], required: false
+    argument :bloom_taxonomy, [Enums::QuestionBloomTaxonomyEnum], required: false
+    argument :authorship_year, [String], required: false
+    argument :subject_id, ID, required: false
+    argument :user_id, ID, required: false
+    argument :create_date, DateRangeInput, required: false
+    argument :unifeso_authorship, Boolean, required: false
+  end
+end