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/rsx_compile_fail.rs

@@ -7,7 +7,7 @@ fn main() {
     let mut vdom = VirtualDom::new(example);
     vdom.rebuild();
 
-    let out = dioxus::ssr::render_vdom_cfg(&vdom, |c| c.newline(true).indent(true));
+    let out = dioxus_ssr::render_vdom_cfg(&vdom, |c| c.newline(true).indent(true));
     println!("{}", out);
 }