Add: migration to create notes table

Elixir/notes_app/priv/repo/migrations/20240903075510_create_notes.exs

@@ -0,0 +1,15 @@
+defmodule NotesApp.Repo.Migrations.CreateNotes do
+  use Ecto.Migration
+
+  def change do
+    create table(:notes) do
+      add :title, :string
+      add :content, :text
+      add :user_id, references(:users, on_delete: :nothing)
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create index(:notes, [:user_id])
+  end
+end