Apply suggestions from code review

Co-authored-by: Stephen Toub <stoub@microsoft.com>

Author: agocke

samples/QuickstartWeatherServer/Tools/HttpClientExt.cs

@@ -1,11 +1,10 @@
-
 using System.Text.Json;
 
 namespace ModelContextProtocol;
 
 internal static class HttpClientExt
 {
-    public static async Task<JsonDocument> ReadJsonDocument(this HttpClient client, string requestUri)
+    public static async Task<JsonDocument> ReadJsonDocumentAsync(this HttpClient client, string requestUri)
     {
         using var response = await client.GetAsync(requestUri);
         response.EnsureSuccessStatusCode();

samples/QuickstartWeatherServer/Tools/WeatherTools.cs

@@ -14,7 +14,7 @@ public static async Task<string> GetAlerts(
         HttpClient client,
         [Description("The US state to get alerts for.")] string state)
     {
-        using var jsonDocument = await client.ReadJsonDocument($"/alerts/active/area/{state}");
+        using var jsonDocument = await client.ReadJsonDocumentAsync($"/alerts/active/area/{state}");
         var jsonElement = jsonDocument.RootElement;
         var alerts = jsonElement.GetProperty("features").EnumerateArray();
 
@@ -42,7 +42,7 @@ public static async Task<string> GetForecast(
         [Description("Latitude of the location.")] double latitude,
         [Description("Longitude of the location.")] double longitude)
     {
-        using var jsonDocument = await client.ReadJsonDocument($"/points/{latitude},{longitude}");
+        using var jsonDocument = await client.ReadJsonDocumentAsync($"/points/{latitude},{longitude}");
         var jsonElement = jsonDocument.RootElement;
         var periods = jsonElement.GetProperty("properties").GetProperty("periods").EnumerateArray();