Introduce group basic federation, event new page and notifications

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

priv/repo/migrations/20200221095721_create_todos.exs

@@ -0,0 +1,28 @@
+defmodule Mobilizon.Repo.Migrations.CreateTodos do
+  use Ecto.Migration
+
+  def change do
+    create table(:todo_lists, primary_key: false) do
+      add(:id, :uuid, primary_key: true)
+      add(:title, :string)
+      add(:url, :string)
+      add(:actor_id, references(:actors, on_delete: :delete_all), null: false)
+
+      timestamps()
+    end
+
+    create table(:todos, primary_key: false) do
+      add(:id, :uuid, primary_key: true)
+      add(:title, :string)
+      add(:url, :string)
+      add(:status, :boolean, default: false, null: false)
+      add(:due_date, :utc_datetime)
+      add(:creator_id, references(:actors, on_delete: :delete_all), null: false)
+      add(:assigned_to_id, references(:actors, on_delete: :nilify_all))
+
+      add(:todo_list_id, references(:todo_lists, on_delete: :delete_all, type: :uuid), null: false)
+
+      timestamps()
+    end
+  end
+end