einundzwanzig-app/database/migrations/2022_12_05_160932_create_libraries_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('libraries', function (Blueprint $table) {
            $table->id();
            $table->string('name')->unique();
            $table->boolean('is_public')
                  ->default(true);
            $table->json('language_codes')
                  ->default('[]');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('libraries');
    }
};