first commit

db/migrate/20260807000000_create_todos.rb

@@ -0,0 +1,9 @@
+class CreateTodos < ActiveRecord::Migration[8.0]
+  def change
+    create_table :todos do |t|
+      t.string :title, null: false
+      t.boolean :completed, null: false, default: false
+      t.timestamps
+    end
+  end
+end