BFF API surface fixes

Author: maartenba

src/content/docs/bff/extensibility/tokens.md

@@ -112,7 +112,7 @@ Implementations of the *IAccessTokenRetriever* can be added to endpoints when th
 ```cs
 app.MapRemoteBffApiEndpoint(
         "/api/impersonation", 
-        "https://api.example.com/endpoint/requiring/impersonation"
+        new Uri("https://api.example.com/endpoint/requiring/impersonation")
     ).WithAccessToken(RequiredTokenType.User)
      .WithAccessTokenRetriever<ImpersonationAccessTokenRetriever>();
 ```

src/content/docs/bff/fundamentals/apis/remote.md

@@ -43,7 +43,7 @@ The `MapRemoteBffApiEndpoint` extension method maps a path and all sub-paths bel
 
 ```csharp
 // Program.cs
-app.MapRemoteBffApiEndpoint("/api/users", "https://remoteHost/users")
+app.MapRemoteBffApiEndpoint("/api/users", new Uri("https://remoteHost/users"))
     .WithAccessToken(RequiredTokenType.User);
 ```
 

src/content/docs/bff/fundamentals/blazor/rendering-modes.md

@@ -99,7 +99,7 @@ This diagram shows this in more detail:
 ```csharp
 // setup on the server
 
-app.MapRemoteBffApiEndpoint("/remote-apis/user-token", "https://localhost:5010")
+app.MapRemoteBffApiEndpoint("/remote-apis/user-token", new Uri("https://localhost:5010"))
 
 builder.Services.AddUserAccessTokenHttpClient("callApi",
     configureClient: client => client.BaseAddress = new Uri("https://localhost:5010/"));

src/content/docs/bff/getting-started/single-frontend.mdx

@@ -232,7 +232,7 @@ dotnet add package Duende.BFF.Yarp
 ```
 
 {/* prettier-ignore */}
-<Tabs syncKey="bffVersion">
+<Tabs>
   {/* prettier-ignore */}
   <TabItem label="Direct forwarding">
 
@@ -243,7 +243,7 @@ dotnet add package Duende.BFF.Yarp
     // ...
 
     // Map any call (including child routes) from /api/remote to https://remote-api-address
-    app.MapRemoteBffApiEndpoint("/api/remote", "https://remote-api-address")
+    app.MapRemoteBffApiEndpoint("/api/remote", new Uri("https://remote-api-address"))
         .WithAccessToken(RequiredTokenType.Client);
     ```
 

src/content/docs/bff/upgrading/bff-v3-to-v4.md

@@ -30,13 +30,17 @@ The syntax for configuring remote APIs has changed slightly:
 
 ```diff lang="csharp" title="Program.cs"
 // Use a client credentials token
-app.MapRemoteBffApiEndpoint("/api/client-token", "https://localhost:5010")
+- app.MapRemoteBffApiEndpoint("/api/client-token", "https://localhost:5010")
 -    .RequireAccessToken(TokenType.Client);
+
++ app.MapRemoteBffApiEndpoint("/api/client-token", new Uri("https://localhost:5010"))
 +    .WithAccessToken(RequiredTokenType.Client);      
 
 // Use the client token only if the user is logged in
-app.MapRemoteBffApiEndpoint("/api/optional-user-token", "https://localhost:5010")
+- app.MapRemoteBffApiEndpoint("/api/optional-user-token", "https://localhost:5010")
 -    .WithOptionalUserAccessToken();
+
++ app.MapRemoteBffApiEndpoint("/api/optional-user-token", new Uri("https://localhost:5010"))
 +    .WithAccessToken(RequiredTokenType.UserOrNone);            
 ```
 

src/content/docs/identityserver/quickstarts/javascript-clients/js-with-backend.mdx

@@ -463,7 +463,7 @@ API in the ASP.NET Core routing system. Add the code below to the endpoint confi
   app.MapGet("/local/identity", LocalIdentityHandler)
       .AsBffApiEndpoint();
 
-  app.MapRemoteBffApiEndpoint("/remote", "https://localhost:6001")
+  app.MapRemoteBffApiEndpoint("/remote", new Uri("https://localhost:6001"))
       .WithAccessToken(Duende.Bff.AccessTokenManagement.RequiredTokenType.User);
 ```