massive improvements to tests, streamlined and synced migrations, fixed a lot of wrong or old table field references. implemented a lot of pages in react for website frontend

app/Filament/Resources/EventResource/RelationManagers/EventPackagesRelationManager.php

@@ -85,7 +85,7 @@ class EventPackagesRelationManager extends RelationManager
                     ->dateTime()
                     ->badge()
                     ->color(fn ($state) => $state && $state->isPast() ? 'danger' : 'success'),
-                TextColumn::make('purchased_price')
+                TextColumn::make('price')
                     ->label('Preis')
                     ->money('EUR')
                     ->sortable(),