chore: add database migration and seed console scripts

bin/migrate.php

@@ -0,0 +1,34 @@
+<?php
+
+use Bazaar\Core\Config;
+use Bazaar\Core\Database;
+use Bazaar\Core\Migrator;
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+Config::load(basePath('.env'));
+
+if (Config::get('DB_DRIVER') === 'sqlite') {
+    $path = (string) Config::get('DB_DATABASE');
+    if ($path !== ':memory:' && !str_starts_with($path, '/')) {
+        $path = basePath($path);
+    }
+    if (!is_dir(dirname($path))) {
+        mkdir(dirname($path), 0775, true);
+    }
+    if (!is_file($path)) {
+        touch($path);
+    }
+}
+
+$migrator = new Migrator(Database::instance(), basePath('database/migrations'));
+$ran = $migrator->run();
+
+if ($ran === []) {
+    echo "Nothing to migrate. Schema is up to date.\n";
+} else {
+    echo "Applied migrations:\n";
+    foreach ($ran as $name) {
+        echo "  - {$name}\n";
+    }
+}