Make discount name searchable (#2017)

Currently the discount listing in the admin panel is unsearchable as
there is no indexer set up and none of the fields are searchable so the
database has nothing to do.

This PR adds searchable to the name field.

packages/admin/src/Filament/Resources/DiscountResource.php

@@ -361,7 +361,8 @@ protected static function getTableColumns(): array
                     \Lunar\Models\Discount::SCHEDULED => 'info',
                 }),
             Tables\Columns\TextColumn::make('name')
-                ->label(__('lunarpanel::discount.table.name.label')),
+                ->label(__('lunarpanel::discount.table.name.label'))
+                ->searchable(),
             Tables\Columns\TextColumn::make('type')
                 ->formatStateUsing(function ($state) {
                     return (new $state)->getName();