*Audio Playback*

Content API:
 - Enabling CORS for access from Blazor app
Web Server:
 - Content API URL environment config
 - Web Audio API JS Interop layer in TypeScript
 - HttpClient configs
Web Client:
 - Audio Tack player controls
 - Audio Player example page
 - Audio Interop Service Layer
 - Named HttpClients

DeepDrftWeb.Client/Controls/TrackPlayer.razor

@@ -73,9 +73,9 @@
             
             <MudFab Color="Color.Primary" 
                     Size="Size.Medium"
-                    StartIcon="@Icons.Material.Filled.PlayArrow"
-                    OnClick="@HandlePlayClick"
-                    Elevation="4" />
+                    StartIcon="@_playPauseIcon"
+                    OnClick="@HandlePlayClick"/>
+            <audio class="d-none" src="@_audioStream" autoplay></audio>
         </div>
         
     </MudCardContent>