Create markdownsample.md

Author: Chuxel

containers/plantuml/test-project/markdownsample.md

@@ -0,0 +1,32 @@
+# Markdown Sample
+
+Open the markdown preview to check it out!
+
+## Code
+```
+@startuml
+legend
+    VS Code can do that?
+end legend
+VisualStudioCode -> Agent: openFolder(path)
+Agent -> ExtensionHost: installExtensions
+ExtensionHost -> ExtensionHost: download
+ExtensionHost -> ExtensionHost: install
+ExtensionHost -> Agent: return true
+Agent -> VisualStudioCode: return true@enduml
+```
+
+## Diagram
+```plantuml
+@startuml
+legend
+    VS Code can do that?
+end legend
+VisualStudioCode -> Agent: openFolder(path)
+Agent -> ExtensionHost: installExtensions
+ExtensionHost -> ExtensionHost: download
+ExtensionHost -> ExtensionHost: install
+ExtensionHost -> Agent: return true
+Agent -> VisualStudioCode: return true
+@enduml
+```