docs: add documentation to converters

namespace GarrigueGamesLauncher.Converters;

/// <summary>

/// A multi-value converter that calculates the width of columns in a responsive grid

/// based on the total available width and gutter spacing.

/// Automatically adjusts the number of columns depending on the container width.

/// </summary>

public class ColumnConverter : IMultiValueConverter

{

    public object Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)

namespace GarrigueGamesLauncher.Converters;

/// <summary>

/// Converts a long text description into a shortened version with an ellipsis,

/// breaking at common separators (space, punctuation) near a specified maximum length.

/// If no description is available, provides a fallback text.

/// </summary>

public partial class DescriptionConverter : IValueConverter

{

    private const string DefaultDescription =

namespace GarrigueGamesLauncher.Converters;

/// <summary>

/// Converts an enum value to a boolean by comparing it with a provided parameter.

/// Returns <c>true</c> if the enum's string representation matches the parameter; otherwise, <c>false</c>.

/// Used to display the appropriate popup type.

/// </summary>

public class EnumToBoolConverter : IValueConverter

{

    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)

namespace GarrigueGamesLauncher.Converters;

/// <summary>

/// Converts a width value to half of the provided value.

/// If the parameter is the width of the parent, effectively simulates

/// the width: 50%; CSS selector.

/// </summary>

public class HalfWidthConverter : IValueConverter

{

    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)

namespace GarrigueGamesLauncher.Converters;

/// <summary>

/// Converts a width value to a height value maintaining a 16:9 aspect ratio.

/// Used in game card and gallery grids for uniform appearance.

/// </summary>

public class SixteenByNineConverter : IValueConverter

{

    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)