ci: include ci.yml & release.yml to VS sln folder structure

Author: TomasPecinka

ExpressionTreeExplorer.sln

@@ -16,7 +16,9 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{EFA536C3-BDAB-4FDC-B027-57093787EE4D}"
 	ProjectSection(SolutionItems) = preProject
 		CHANGELOG.md = CHANGELOG.md
+		.github\workflows\ci.yml = .github\workflows\ci.yml
 		README.md = README.md
+		.github\workflows\release.yml = .github\workflows\release.yml
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "docs", "docs", "{82145272-2E3A-4FFB-8D07-065A530D5499}"