feat: added microsoft geo spatial converter

Author: michalszczepanikcogworks

src/Cogworks.AzureSearch/Cogworks.AzureSearch.csproj

@@ -11,6 +11,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Azure.Search.Documents" Version="11.6.0" />
+    <PackageReference Include="Microsoft.Azure.Core.Spatial" Version="1.1.0" />
   </ItemGroup>
 
   <!-- Project Visibility -->

src/Cogworks.AzureSearch/Options/ClientOption.cs

@@ -1,5 +1,7 @@
-using Azure.Core;
+using System.Text.Json;
+using Azure.Core;
 using Azure.Core.Pipeline;
+using Azure.Core.Serialization;
 using Azure.Search.Documents;
 
 namespace Cogworks.AzureSearch.Options
@@ -27,7 +29,15 @@ public ClientOption(string serviceName, string credentials, string serviceUrlEnd
 
         private static SearchClientOptions GetOptions(bool searchHeaders)
         {
-            var clientOptions = new SearchClientOptions();
+            var serializerOptions = new JsonSerializerOptions
+            {
+                Converters = { new MicrosoftSpatialGeoJsonConverter() },
+                PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+            };
+            var clientOptions = new SearchClientOptions
+            {
+                Serializer = new JsonObjectSerializer(serializerOptions),
+            };
 
             if (searchHeaders)
             {