Feat: Adds multi currency to imports and exports (#89)

* Also adds ability for user to export configurations

app/Actions/EnsureDailyChangeIsSynced.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Actions;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Cache;
+
+class EnsureDailyChangeIsSynced
+{
+    public function __invoke(Model $model, callable $next)
+    {
+        if (config('app.env') != 'testing') {
+
+            $cacheKey = 'daily_change_synced'.$model->portfolio_id;
+
+            if (
+                ! Cache::has($cacheKey)
+                && $model->date->lessThan(now())
+                && ($model->date->lessThan($model->portfolio->daily_change()->min('date') ?? now())
+                    || $model->date->lessThan($model->portfolio->transactions()->where('id', '!=', $model->id)->min('date') ?? now())
+                )
+            ) {
+                defer(fn () => $model->portfolio->syncDailyChanges());
+
+                Cache::put($cacheKey, now(), now()->addMinutes(5));
+            }
+        }
+
+        return $next($model);
+    }
+}