Add Clumsy plugins and dual-vehicle fleet sync demo.

Restructure into DiffWheel/MultiWheel folders, add DiffWheelC and MultiWheelC with MovementTests, FleetRemote multi-vehicle manual sync, deploy templates, and documentation. Update dependency paths to D:\MDCS\Release and mirror motor feedback in MotorRoutine for simulation.

Co-authored-by: Cursor <cursoragent@cursor.com>

Directory.Build.props

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<Project>
+	<PropertyGroup>
+		<!-- When a project is built directly (e.g. `dotnet build Foo.csproj`) instead of through Tutorial.sln,
+		     MSBuild sets SolutionDir to the literal "*Undefined*". Fall back to this file's directory,
+		     which is the solution root, so PostBuild copy targets keep working. -->
+		<SolutionDir Condition="'$(SolutionDir)' == '' Or '$(SolutionDir)' == '*Undefined*'">$(MSBuildThisFileDirectory)</SolutionDir>
+	</PropertyGroup>
+</Project>