Added role based MFA control

- Added new DB column for control and role updated create/update actions.
- Created new middleware as a start to actual enforcement logic.
- Added indicator to role list of whether MFA is enforced.

database/migrations/2021_07_03_085038_add_mfa_enforced_to_roles_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddMfaEnforcedToRolesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('roles', function (Blueprint $table) {
+            $table->boolean('mfa_enforced');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('roles', function (Blueprint $table) {
+            $table->dropColumn('mfa_enforced');
+        });
+    }
+}