Initial commit: RGB LED Strip Controller v0.3.0

- WPF + WinRT BLE controller for ELK-BLEDOM compatible LED strips

- Multi-device control, effects, grayscale and temperature modes

- Velopack updates via Gitea Releases, Gitea Actions CI

src/RgbLedStripController/Services/IBleTransport.cs

@@ -0,0 +1,18 @@
+using RgbLedStripController.Core;
+
+namespace RgbLedStripController.Services;
+
+public interface IBleTransport : IAsyncDisposable
+{
+    event EventHandler<DeviceConnectionStatus>? ConnectionStatusChanged;
+
+    Task<IReadOnlyList<BleScanResult>> ScanAsync(TimeSpan duration, CancellationToken cancellationToken = default);
+
+    Task ConnectAsync(BleScanResult device, CancellationToken cancellationToken = default);
+
+    Task<bool> DiscoverAsync(CancellationToken cancellationToken = default);
+
+    Task WriteAsync(ReadOnlyMemory<byte> payload, CancellationToken cancellationToken = default);
+
+    Task DisconnectAsync();
+}