chore: xml docs updates and update bundle.json with the placeholder value

Author: DevTKSS

src/AspNet.Security.OAuth.Etsy/EtsyAuthenticationDefaults.cs

@@ -49,7 +49,7 @@ public static class EtsyAuthenticationDefaults
     public static readonly string UserInformationEndpoint = "https://openapi.etsy.com/v3/application/users/me";
 
     /// <summary>
-    /// Default value for receiving the user profile based upon a unique user ID<see href="https://developers.etsy.com/documentation/reference/#operation/getUser">getUser</see>.
+    /// Default value for receiving the user profile based upon a unique user ID <see href="https://developers.etsy.com/documentation/reference/#operation/getUser">getUser</see>.
     /// </summary>
     public static readonly CompositeFormat DetailedUserInfoEndpoint = CompositeFormat.Parse("https://openapi.etsy.com/v3/application/users/{0}");
 }

src/AspNet.Security.OAuth.Etsy/EtsyAuthenticationOptions.cs

@@ -40,6 +40,14 @@ public EtsyAuthenticationOptions()
     /// </summary>
     public bool IncludeDetailedUserInfo { get; set; }
 
+    /// <summary>
+    /// Gets or sets the endpoint used to retrieve detailed user information.
+    /// </summary>
+    /// <remarks>
+    /// The placeholder for <c>client_id</c> needs to be <c>"{0}"</c> and will be replaced with the authenticated user's ID.
+    /// </remarks>
+    public string? DetailedUserInfoEndpoint { get; set; }
+
     /// <inheritdoc />
     public override void Validate()
     {

test/AspNet.Security.OAuth.Providers.Tests/Etsy/bundle.json

@@ -24,7 +24,7 @@
     },
     {
       "comment": "Etsy /v3/application/users/{user_id} endpoint - returns detailed user information",
-      "uri": "https://openapi.etsy.com/v3/application/users/123456",
+      "uri": "https://openapi.etsy.com/v3/application/users/{0}",
       "contentFormat": "json",
       "contentJson": {
         "user_id": 123456,