Additional/app/Filament/Resources/CategoryResource.php

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\CategoryResource\Pages;
use App\Models\Category;
use Filament\Forms;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Actions;
use Filament\Tables\Table;

class CategoryResource extends Resource
{
    protected static ?string $model = Category::class;

    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-tag';

    public static function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Forms\Components\TextInput::make('name')
                    ->required()
                    ->maxLength(255),
                Forms\Components\Textarea::make('description')
                    ->maxLength(65535)
                    ->columnSpanFull(),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('name')
                    ->searchable(),
                Tables\Columns\TextColumn::make('products_count')
                    ->counts('products')
                    ->label('Products'),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                //
            ])
            ->actions([
                //
            ])
            ->bulkActions([
                //
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ManageCategories::route('/'),
        ];
    }
}