[DATALAD] Added subdataset

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "package-sub"]
+	path = package-sub
+	url = https://gin.g-node.org/rino/package-sub
+	datalad-url = https://gin.g-node.org/rino/package-sub

package-sub

@@ -0,0 +1 @@
+Subproject commit 5b1ddbeb1ea38fa8d088e6d274ce4240d2f3ce63