Templates updated for Radzen version 4.33.3

[leigh-pointer]

Templates available for Radzen version 4.33.3
Added reference to Material Icons
Added commented code to reference the radzen themes

//Choose one of the Radzen themes below
new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/default-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/dark-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/fluent-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/humanistic-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/material-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/material3-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/software-base.css" },
//new Resource { ResourceType = ResourceType.Stylesheet, Url = "_content/Radzen.Blazor/css/standard-base.css" },