Add division markers for future job

db/migrate/20171023080215_add_subgroup_job_markers_to_activities.rb

+class AddSubgroupJobMarkersToActivities < ActiveRecord::Migration[5.0]
+  def change
+    add_column :activities, :subgroup_division_enabled, :boolean
+    add_column :activities, :subgroup_division_done, :boolean
+  end
+end

db/schema.rb

 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171001150124) do
+ActiveRecord::Schema.define(version: 20171023080215) do
 
   create_table "activities", force: :cascade do |t|
     t.string   "name"
     t.datetime "end"
     t.datetime "deadline"
     t.integer  "group_id"
-    t.datetime "created_at",    null: false
-    t.datetime "updated_at",    null: false
+    t.datetime "created_at",                null: false
+    t.datetime "updated_at",                null: false
     t.datetime "reminder_at"
     t.boolean  "reminder_done"
+    t.boolean  "subgroup_division_enabled"
+    t.boolean  "subgroup_division_done"
     t.index ["group_id"], name: "index_activities_on_group_id"
   end