add versioning file

Author: steverichey

version.json

@@ -0,0 +1,7 @@
+{
+    "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
+    "version": "1.0.0",
+    "assemblyVersion": {
+        "precision": "revision"
+    }
+}