update code

database/migrations/2020_04_30_041010_create_signers_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+/**
+ * Class CreateSignersTable.
+ */
+class CreateSignersTable extends Migration
+{
+	/**
+	 * Run the migrations.
+	 *
+	 * @return void
+	 */
+	public function up()
+	{
+		Schema::create('signers', function(Blueprint $table) {
+			$table->increments('id');
+			$table->string('name');
+			$table->string('description')->nullable();
+		});
+	}
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::drop('signers');
+	}
+}