Added transcription of audio and video files to local data sources (#1081)

Co-authored-by: Paul Koudelka <106623909+PaulKoudelka@users.noreply.github.com>

app/MindWork AI Studio/Tools/Services/DataSourceEmbeddingIgnoreReason.cs

@@ -5,6 +5,24 @@ namespace AIStudio.Tools.Services;
 /// </summary>
 public enum DataSourceEmbeddingIgnoreReason
 {
-    MEDIA_NOT_SUPPORTED,
+    /// <summary>
+    /// An image, which cannot be added to the index yet.
+    /// </summary>
+    IMAGE_NOT_SUPPORTED,
+
+    /// <summary>
+    /// An audio or video file without a transcript, while no usable transcription provider is configured.
+    /// </summary>
+    TRANSCRIPTION_PROVIDER_MISSING,
+
+    /// <summary>
+    /// An audio or video file without a transcript, while the transcription provider falls short of
+    /// the confidence level the data source asks for.
+    /// </summary>
+    TRANSCRIPTION_PROVIDER_NOT_ALLOWED,
+
+    /// <summary>
+    /// A file larger than the limit of the data source.
+    /// </summary>
     TOO_LARGE,
 }