Update examples.

Author: Layoric

MyApp/_includes/ai-server/cs/video-convert-1.cs.md renamed to MyApp/_includes/ai-server/cs/convert-image-1.cs.md

@@ -1,12 +1,12 @@
 ```csharp
-        var request = new ConvertVideo()
+        var request = new ConvertImage()
         {
-            OutputFormat = ConvertVideoOutputFormat.MOV
+            OutputFormat = ImageOutputFormat.Gif
         };
 
         var response = client.PostFilesWithRequest<MediaTransformResponse>(
             request,
-            [new UploadFile("test_video.webm", File.OpenRead("files/test_video.webm"), "video")]
+            [new UploadFile("test_image.jpg", File.OpenRead("files/test_image.jpg"), "image")]
         );
 
         var videoUrl = response.Outputs[0].Url;

MyApp/_includes/ai-server/cs/convert-video-1.cs.md

@@ -1,14 +1,14 @@
 ```csharp
-var request = new ConvertVideo()
-{
-    Format = "mp4"
-};
+        var request = new ConvertVideo()
+        {
+            OutputFormat = ConvertVideoOutputFormat.MOV
+        };
 
-var response = client.PostFilesWithRequest<MediaTransformResponse>(
-    request,
-    [new UploadFile("video", File.OpenRead("video.avi"), "video.avi")]
-);
+        var response = client.PostFilesWithRequest<MediaTransformResponse>(
+            request,
+            [new UploadFile("test_video.webm", File.OpenRead("files/test_video.webm"), "video")]
+        );
 
-var videoUrl = response.Outputs[0].Url;
-videoUrl.DownloadFileTo("converted-video.mp4");
-```
+        var videoUrl = response.Outputs[0].Url;
+        videoUrl.DownloadFileTo(outputFileName);
+```