Add variant to grammar (as enumMember)

Author: fhammerschmidt

grammars/rescript.tmLanguage.json

@@ -247,6 +247,10 @@
     },
     "constructor": {
       "patterns": [
+        {
+          "match": "\\b[A-Z][0-9a-zA-Z_]*\\b",
+          "name": "variable.other.enummember"
+        },
         {
           "match": "(#)\\s*([a-zA-Z][0-9a-zA-Z_]*)\\b",
           "captures": {
@@ -544,4 +548,4 @@
       "include": "#defaultIdIsVariable"
     }
   ]
-}
+}