Update Transitions.md

Author: svgeesus

Transitions.md

@@ -1,11 +1,31 @@
-#CR Transition status
+#W3C Transition status
 
-##Open
+##First Public Working Draft
+
+###Open
+
+_(none)_
+
+###Closed
 
 _(none)_
 
-##Closed
+##Candidate Recommendation
+
+###Open
+
+_(none)_
+
+###Closed
 
 CSS Values & Units 3  [done](https://www.w3.org/TR/css-values-3/), 29 September 2016
 
 CSS Gris Layout 1 [done](https://www.w3.org/TR/css-grid-1/), 29 September 2016
+
+##Proposed Recommendation
+
+###Open
+
+_(none)_
+
+###Closed