Refactor and add importer to Installer module #443 (#444)

* Refactor and add importer to Installer module #443

* Refactor for finances to use in import

* Import groups into roles

* Formatting

* Formatting

* Add interface in installer for import

* Notes about importing

* Check for installer folder

* Formatting

* Fix pirep->user mapping

* Unused import

* Formatting

app/Support/Utils.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Support;
+
+use Nwidart\Modules\Facades\Module;
+
+/**
+ * Global utilities
+ */
+class Utils
+{
+    /**
+     * Is the installer enabled?
+     *
+     * @return bool
+     */
+    public static function installerEnabled()
+    {
+        /** @var \Nwidart\Modules\Module $installer */
+        $installer = Module::find('installer');
+        if (!$installer) {
+            return false;
+        }
+
+        return $installer->isEnabled();
+    }
+}