QueryRoot now returns proposals, comment(:id) and comments

app/graph/types/query_root.rb

@@ -10,4 +10,29 @@ QueryRoot = GraphQL::ObjectType.define do
       Proposal.find(arguments["id"])
     }
   end
+
+  field :proposals do
+    type types[ProposalType]
+    description "Find all Proposals"
+    resolve -> (object, arguments, context) {
+      Proposal.all
+    }
+  end
+
+  field :comment do
+    type CommentType
+    description "Find a Comment by id"
+    argument :id, !types.ID
+    resolve -> (object, arguments, context) {
+      Comment.find(arguments["id"])
+    }
+  end
+
+  field :comments do
+    type types[CommentType]
+    description "Find all Comments"
+    resolve -> (object, arguments, context) {
+      Comment.all
+    }
+  end
 end