chore: Added version.json to solution

Author: gigi81

System.IO.Abstractions.Extensions.sln

@@ -22,6 +22,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Directory.Build.props = Directory.Build.props
 		LICENSE.md = LICENSE.md
 		README.md = README.md
+		version.json = version.json
 	EndProjectSection
 EndProject
 Global