Add bin and edit workflow

bin/gems/facets-3.1.0/lib/standard/facets/pathname/split_root.rb

@@ -0,0 +1,9 @@
+class Pathname
+
+  #
+  def split_root
+    head, tail = *::File.split_root(to_s)
+    [self.class.new(head), self.class.new(tail)]
+  end
+
+end