Renderers are now packages, not features. (#387)

* feat: use synchronous router design

* feat: function to get router out of dom

* chore: restructure workspace to use renderers as packages, not features

examples/fermi.rs

@@ -1,9 +1,10 @@
 #![allow(non_snake_case)]
 
 use dioxus::prelude::*;
+use fermi::*;
 
 fn main() {
-    dioxus::desktop::launch(app)
+    dioxus_desktop::launch(app)
 }
 
 static NAME: Atom<String> = |_| "world".to_string();