feat: add sort attribute to projects controller

Author: caseyhofford

lib/models/project.js

@@ -439,7 +439,8 @@ Project.returnFields = [
   "title",
   "updated_at",
   "user_id",
-  "user_ids"
+  "user_ids",
+  "umbrella_project_list_sort"
 ];
 
 module.exports = Project;

openapi/schema/response/project.js

@@ -79,7 +79,8 @@ const project = Joi.object( ).keys( {
   updated_at: Joi.string( ),
   user,
   user_id: Joi.number( ).integer( ),
-  user_ids: Joi.array( ).items( Joi.number( ).integer( ) )
+  user_ids: Joi.array( ).items( Joi.number( ).integer( ) ),
+  umbrella_project_list_sort: Joi.string( ).valid( null )
 } ).unknown( false ).meta( { className: "Project" } )
   .valid( null );