Added factor field ot i_o_types table.

Added seeders for i_o_types and scopes tables.

database/seeds/ScopesTableSeeder.php

@@ -0,0 +1,16 @@
+<?php
+
+use Illuminate\Database\Seeder;
+
+class ScopesTableSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        //
+    }
+}