allow packages path

Umbraco.gitignore

@@ -39,4 +39,7 @@
 **/umbraco/
 
 #include default location for modelsbuilder output
-!**/umbraco/models
+!**/umbraco/models
\ No newline at end of file
+
+#include default location for packages
+!**/umbraco/Data/packages
\ No newline at end of file