add questions query

app/graphql/enums/question_bloom_taxonomy_enum.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Enums
+  class QuestionBloomTaxonomyEnum < Types::BaseEnum
+    graphql_name "QuestionBloomTaxonomy"
+
+    values_from_enumerize(Question.bloom_taxonomy)
+  end
+end

app/graphql/enums/question_check_type_enum.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Enums
+  class QuestionCheckTypeEnum < Types::BaseEnum
+    graphql_name "QuestionCheckType"
+
+    values_from_enumerize(Question.check_type)
+  end
+end

app/graphql/enums/question_difficulty_enum.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Enums
+  class QuestionDifficultyEnum < Types::BaseEnum
+    graphql_name "QuestionDifficulty"
+
+    values_from_enumerize(Question.difficulty)
+  end
+end

app/graphql/enums/question_status_enum.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module Enums
+  class QuestionStatusEnum < Types::BaseEnum
+    graphql_name "QuestionStatus"
+
+    values_from_enumerize(Question.status)
+  end
+end