add c# binding including example

examples/lang-cs/Program.cs

@@ -0,0 +1,19 @@
+using ServicePoint2;
+
+using var connection = Connection.Open("127.0.0.1:2342");
+
+connection.Send(Command.Clear());
+connection.Send(Command.Brightness(128));
+
+using var pixels = PixelGrid.New(Constants.PixelWidth, Constants.PixelHeight);
+
+for (var offset = 0; offset < int.MaxValue; offset++)
+{
+    pixels.Fill(false);
+
+    for (var y = 0; y < pixels.Height; y++)
+        pixels[(y + offset) % Constants.PixelWidth, y] = true;
+
+    connection.Send(Command.BitmapLinearWin(0, 0, pixels.Clone()));
+    Thread.Sleep(14);
+}

examples/lang-cs/lang-cs.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <RootNamespace>lang_cs</RootNamespace>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\servicepoint2-binding-cs\ServicePoint2\ServicePoint2.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Content Include="..\..\target\debug\libservicepoint2.so" CopyToOutputDirectory="Always">
+        <Link>libservicepoint2.so</Link>
+      </Content>
+    </ItemGroup>
+
+</Project>