show off the new asset system in the examples

packages/dioxus/src/lib.rs

@@ -22,6 +22,9 @@ pub use dioxus_rsx as rsx;
 pub use dioxus_core_macro as core_macro;
 
 pub mod prelude {
+    pub use manganis;
+    pub use manganis::mg;
+
     #[cfg(feature = "hooks")]
     pub use crate::hooks::*;