move backend to subfolder

DisplayCommands/IDisplayConnection.cs

@@ -1,24 +0,0 @@
-namespace DisplayCommands;
-
-public interface IDisplayConnection
-{
-    ValueTask SendClearAsync();
-
-    ValueTask SendCp437DataAsync(ushort x, ushort y, Cp437Grid grid);
-
-    ValueTask SendBrightnessAsync(byte brightness);
-
-    ValueTask SendCharBrightnessAsync(ushort x, ushort y, ByteGrid luma);
-
-    ValueTask SendHardResetAsync();
-
-    ValueTask SendFadeOutAsync(byte loops);
-
-    public ValueTask SendBitmapLinearWindowAsync(ushort x, ushort y, PixelGrid pixels);
-
-    /// <summary>
-    ///     Returns the IPv4 address that is associated with the interface with which the display is reachable.
-    /// </summary>
-    /// <returns>IPv4 as text</returns>
-    public string GetLocalIPv4();
-}