chore: Add CLAUDE.md to solution items for project documentation

Author: willibrandon

NetContextServer.sln

@@ -24,6 +24,7 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}"
 	ProjectSection(SolutionItems) = preProject
 		.github\workflows\ci.yaml = .github\workflows\ci.yaml
+		CLAUDE.md = CLAUDE.md
 		CONTRIBUTING.md = CONTRIBUTING.md
 		README.md = README.md
 	EndProjectSection