feat(simulation): Add ExperimentFramework.Simulation package with isolation and integration testing models (#57)

Author: Copilot

ExperimentFramework.slnx

@@ -14,6 +14,7 @@
     <Project Path="samples/ExperimentFramework.AspireDemo/AspireDemo.ServiceDefaults/AspireDemo.ServiceDefaults.csproj" />
     <Project Path="samples/ExperimentFramework.AspireDemo/AspireDemo.ApiService/AspireDemo.ApiService.csproj" />
     <Project Path="samples/ExperimentFramework.AspireDemo/AspireDemo.Web/AspireDemo.Web.csproj" />
+    <Project Path="samples/ExperimentFramework.SimulationSample/ExperimentFramework.SimulationSample.csproj" />
   </Folder>
   <Folder Name="/samples/ExperimentFramework.AspireDemo/">
     <Project Path="samples/ExperimentFramework.AspireDemo/AspireDemo.Blog.Contracts/AspireDemo.Blog.Contracts.csproj" />
@@ -41,6 +42,7 @@
     <Project Path="src/ExperimentFramework.Resilience/ExperimentFramework.Resilience.csproj" />
     <Project Path="src/ExperimentFramework.Rollout/ExperimentFramework.Rollout.csproj" />
     <Project Path="src/ExperimentFramework.Science/ExperimentFramework.Science.csproj" />
+    <Project Path="src/ExperimentFramework.Simulation/ExperimentFramework.Simulation.csproj" />
     <Project Path="src/ExperimentFramework.StickyRouting/ExperimentFramework.StickyRouting.csproj" />
     <Project Path="src/ExperimentFramework.Targeting/ExperimentFramework.Targeting.csproj" />
     <Project Path="src/ExperimentFramework/ExperimentFramework.csproj" />
@@ -49,6 +51,7 @@
     <Project Path="tests/ExperimentFramework.Generators.Tests/ExperimentFramework.Generators.Tests.csproj" />
     <Project Path="tests/ExperimentFramework.Plugins.Generators.Tests/ExperimentFramework.Plugins.Generators.Tests.csproj" />
     <Project Path="tests/ExperimentFramework.Plugins.Tests/ExperimentFramework.Plugins.Tests.csproj" />
+    <Project Path="tests/ExperimentFramework.Simulation.Tests/ExperimentFramework.Simulation.Tests.csproj" />
     <Project Path="tests/ExperimentFramework.Tests/ExperimentFramework.Tests.csproj" />
   </Folder>
 </Solution>