model upgrade

schema.graphql

@@ -178,7 +178,9 @@ type Message {
 type Shout {
   org_id: Int!
   slug: String!
-  author: Int!
+  authors: [Int!]!
+  cover: String
+  layout: String
   body: String!
   createdAt: DateTime!
   updatedAt: DateTime!
@@ -186,7 +188,8 @@ type Shout {
   deletedBy: Int
   rating: Int
   ratigns: [Rating]
-  published: DateTime # if there is no published field - it is not published
+  published: Boolean! 
+  publishedAt: DateTime # if there is no published field - it is not published
   replyTo: String # another shout
   tags: [String] # actual values
   topics: [String] # topic-slugs, order has matter
@@ -202,6 +205,7 @@ type Topic {
   createdBy: Int! # User
   createdAt: DateTime!
   value: String
+  desc: String
   parents: [String] # NOTE: topic can have parent topics
   children: [String] # and children
 }