ability to share template with testing account

db/migrate/20240203113455_create_template_sharings.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class CreateTemplateSharings < ActiveRecord::Migration[7.1]
+  def change
+    create_table :template_sharings do |t|
+      t.references :template, null: false, foreign_key: true, index: true
+      t.references :account, null: false, foreign_key: false, index: false
+      t.string :ability, null: false
+
+      t.index %i[account_id template_id], unique: true
+
+      t.timestamps
+    end
+  end
+end