user UID

database/migrations/0001_01_01_000000_create_users_table.php

@@ -16,6 +16,7 @@ return new class extends Migration
             $table->string('password');
             $table->rememberToken();
             $table->string('role')->nullable();
+            $table->string('uid')->unique();
             $table->foreignId('created_by')->nullable()->constrained('users')->onDelete('set null');
             $table->foreignId('updated_by')->nullable()->constrained('users')->onDelete('set null');
             $table->foreignId('deleted_by')->nullable()->constrained('users')->onDelete('set null');