feat: Mostly working user view with elementary html.

Sources/App/Views/Main.swift

@@ -7,9 +7,15 @@ struct MainPage<Inner: HTML>: HTMLDocument {
 
   let inner: Inner
   let displayNav: Bool
+  let routeHeader: RouteHeaderView
 
-  init(displayNav: Bool = false, _ inner: () -> Inner) {
+  init(
+    displayNav: Bool = false,
+    route: ViewRoute,
+    _ inner: () -> Inner
+  ) {
     self.displayNav = displayNav
+    self.routeHeader = .init(route: route)
     self.inner = inner()
   }
 
@@ -27,6 +33,7 @@ struct MainPage<Inner: HTML>: HTMLDocument {
         Navbar()
       }
     }
+    routeHeader
     inner
   }
 }