add NotFound page, wire Routes.NotFoundPage, set log level to Debug

DeepDrftPublic.Client/Pages/NotFound.razor

@@ -0,0 +1,8 @@
+@page "/404"
+
+<MudText Typo="Typo.h3">
+    Not Found
+</MudText>
+<MudText Typo="Typo.body1">
+    Sorry, the content you are looking for does not exist.
+</MudText>

DeepDrftPublic.Client/Routes.razor

@@ -1,10 +1,6 @@
-<Router AppAssembly="typeof(Routes).Assembly">
+<Router AppAssembly="typeof(Routes).Assembly" NotFoundPage="typeof(Pages.NotFound)">
     <Found Context="routeData">
         <RouteView RouteData="routeData" DefaultLayout="typeof(DeepDrftPublic.Client.Layout.MainLayout)" />
         <FocusOnNavigate RouteData="routeData" Selector="h1" />
     </Found>
-    <NotFound>
-        <PageTitle>Not found</PageTitle>
-        <p role="alert">Sorry, there's nothing at this address.</p>
-    </NotFound>
 </Router>

DeepDrftPublic/appsettings.json

@@ -1,8 +1,8 @@
 {
   "Logging": {
     "LogLevel": {
-      "Default": "Information",
+      "Default": "Debug",
-      "Microsoft.AspNetCore": "Warning"
+      "Microsoft.AspNetCore": "Debug"
     }
   },
   "AllowedHosts": "*",