✨ Create grid from selection

frontend/src/app/util/code_gen/style_css.cljs

@@ -101,6 +101,7 @@ body {
    :grid-template-rows
    :grid-template-columns
    :grid-template-areas
+   :grid-auto-flow
 
    ;; Flex/grid self properties
    :flex-shrink

frontend/src/app/util/code_gen/style_css_values.cljs

@@ -420,6 +420,11 @@
           justify-self (:justify-self cell)]
       (when (not= justify-self :auto) justify-self))))
 
+(defmethod get-value :grid-auto-flow
+  [_ shape _]
+  (when (and (ctl/grid-layout? shape) (= (:layout-grid-dir shape) :column))
+    "column"))
+
 (defmethod get-value :default
   [property shape _]
   (get shape property))