Add copyright notice

db/migrate/20241103075705_solid_queue_install.rb

@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 class SolidQueueInstall < ActiveRecord::Migration[7.2]
   def change
     create_table 'solid_queue_blocked_executions', force: :cascade do |t|

db/queue_schema.rb

@@ -1,2 +1,4 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 ActiveRecord::Schema[7.1].define(version: 1) do
   end

db/schema.rb

@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.