add missing migration from laravel/passport

database/migrations/2020_06_26_090510_add_o_auth_provider_field.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddOAuthProviderField extends Migration
+{
+    public function up()
+    {
+        Schema::table('oauth_clients', function (Blueprint $table) {
+            $table->string('provider')->after('secret')->nullable();
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('oauth_clients', function (Blueprint $table) {
+            $table->removeColumn('provider');
+        });
+    }
+}