Client side settings can now be specified.

Here we use a context provider on the app itself to handle passing the
settings to our library. This way even the layout can use them.

bard/src/page.rs

@@ -1,6 +1,7 @@
 use dioxus::prelude::*;
 
 use crate::pages::{Blog, Post, Root};
+use crate::settings::{BardSettings, StylesheetBehavior};
 
 
 
@@ -11,9 +12,38 @@ const BLOG_CSS: Asset = asset!("/assets/css/blog.css");
 #[component]
 fn BlogLayout() -> Element
 {
+   // Retrieve the provided settings from context.
+   let settings = use_context::<BardSettings>();
+
    rsx!
    {
-      document::Stylesheet { href: BLOG_CSS }
+      match settings.stylesheet
+      {
+         StylesheetBehavior::Override(asset) =>
+         {
+            rsx!
+            {
+                document::Stylesheet { href: asset }
+            }
+         }
+
+         StylesheetBehavior::Extend(asset) =>
+         {
+            rsx!
+            {
+                document::Stylesheet { href: BLOG_CSS }
+                document::Stylesheet { href: asset }
+            }
+         }
+
+         StylesheetBehavior::None =>
+         {
+            rsx!
+            {
+                document::Stylesheet { href: BLOG_CSS }
+            }
+         }
+      }
 
       Outlet::<Page> {}
    }