refactor: replace textarea with markdown editor for onboarding description and enhance modal content rendering

extensions/Others/Onboarding/Admin/Resources/OnboardingResource.php

@@ -3,8 +3,8 @@
 namespace Paymenter\Extensions\Others\Onboarding\Admin\Resources;
 
 use Filament\Forms\Components\FileUpload;
+use Filament\Forms\Components\MarkdownEditor;
 use Filament\Forms\Components\Select;
-use Filament\Forms\Components\Textarea;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Components\Toggle;
 use Filament\Forms\Form;
@@ -43,11 +43,11 @@ class OnboardingResource extends Resource
                     ->maxLength(255)
                     ->placeholder('Welcome to Our Platform'),
 
-                Textarea::make('description')
+                MarkdownEditor::make('description')
                     ->label('Description')
                     ->required()
-                    ->rows(4)
-                    ->placeholder('A brief description of this onboarding step...'),
+                    ->placeholder('A brief description of this onboarding step...')
+                    ->helperText('You can use markdown formatting in the description. Use **bold**, *italic*, links, lists, and more.'),
 
                 FileUpload::make('image')
                     ->label('Image')