Splits ChatCommands.cs into a series of files

TGServerService/ChatCommands/VersionCommand.cs

@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+
+namespace TGServerService.ChatCommands
+{
+	/// <summary>
+	/// Retrieve the current service version
+	/// </summary>
+	sealed class VersionCommand : ChatCommand
+	{
+		/// <summary>
+		/// Construct a <see cref="VersionCommand"/>
+		/// </summary>
+		public VersionCommand()
+		{
+			Keyword = "version";
+		}
+
+		/// <inheritdoc />
+		protected override ExitCode Run(IList<string> parameters)
+		{
+			OutputProc(Instance.Version());
+			return ExitCode.Normal;
+		}
+
+		/// <inheritdoc />
+		public override string GetHelpText()
+		{
+			return "Gets the running service version";
+		}
+	}
+}