[增添]添加了datasource的setting数据库以及默认值

vendor/spatie/laravel-settings/UPGRADING.md

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+# Upgrading
+
+Because there are many breaking changes an upgrade is not that easy. There are many edge cases this guide does not cover. We accept PRs to improve this guide.
+
+## From v2 to v3
+
+This should be a quick update:
+
+- When creating a new project, the default search location for settings classes will be in the `app_path('Settings')` directory. If you want to keep the old location, then you can set the `auto_discover_settings` option to `app_path()`. For applications which already have published their config, nothing changes.
+- If you're implementing custom repositories, then update them according to the interface. The method `updatePropertyPayload` is renamed to `updatePropertiesPayload` and should now update multiple properties at once.
+- Add a new migration with the following content
+
+```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::table('settings', function (Blueprint $table): void {
+            $table->boolean('locked')->default(false)->change();
+
+            $table->unique(['group', 'name']);
+
+            $table->dropIndex(['group']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('settings', function (Blueprint $table): void {
+            $table->boolean('locked')->default(null)->change();
+
+            $table->dropUnique(['group', 'name']);
+
+            $table->index('group');
+        });
+    }
+};
+```