fix: add missing closing code tags

Adds missing closing code tags around the "unPublished" command snippet so that the Sample Code section displays properly

Author: Chad Morrow

README.md

@@ -49,6 +49,7 @@ _unPublished (not recommended):_
 
 ```
 npm install PATH_TO_GENERATED_PACKAGE --save
+```
 ## Sample Code
 
 ```ts