Introduce application tokens

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

priv/repo/migrations/20230208101626_create_applications.exs

@@ -0,0 +1,20 @@
+defmodule Mobilizon.Repo.Migrations.CreateApplications do
+  use Ecto.Migration
+
+  def change do
+    create table(:applications) do
+      add(:name, :string, null: false)
+      add(:client_id, :string, null: false)
+      add(:client_secret, :string, null: false)
+      add(:redirect_uris, :string, null: false)
+      add(:scopes, :string, null: true)
+      add(:website, :string, null: true)
+      add(:owner_type, :string, null: true)
+      add(:owner_id, :integer, null: true)
+
+      timestamps()
+    end
+
+    create(index(:applications, [:owner_id, :owner_type]))
+  end
+end