Add initial conversion framework to OS10

src/pkgdef.lisp

@@ -78,3 +78,11 @@
    #:parse-osn-stream
    #:write-osn-file
    #:write-osn-stream))
+
+(defpackage #:openscenarionext-os10
+  (:nicknames #:osn-os10)
+  (:use #:common-lisp
+   #:openscenarionext-utils
+   #:openscenarionext)
+  (:export
+   #:write-os10-stream))