add shops context, clothes and users-clothes

users-clothes is a many-to-many unique relationship

priv/repo/migrations/20210628141736_create_clothes.exs

@@ -0,0 +1,21 @@
+defmodule PokemonCouture.Repo.Migrations.CreateClothes do
+  use Ecto.Migration
+
+  def change do
+    create table(:clothes) do
+      add :name, :string
+      add :location, :string
+      add :game, :string
+
+      timestamps()
+    end
+
+    create table(:ownerships, primary_key: false) do
+      add :user_id, references(:users)
+      add :clothes_id, references(:clothes)
+    end
+
+    create unique_index(:ownerships, [:user_id, :clothes_id])
+
+  end
+end