Rename the uploaded file

fix #60

Author: SaifJerbi

package.json

@@ -25,7 +25,7 @@
 
     "files":
         [
-        {"includePattern": "target/(.*).jar","uploadPattern": "$1"}
+        {"includePattern": "target/(.*).jar","uploadPattern": "$1.jar"}
         ],
     "publish": true
 }