Highlight catch.

Fixes #671

Author: cristianoc

CHANGELOG.md

@@ -24,6 +24,10 @@
 - Prefer opened `Belt` modules in autocomplete when `-open Belt` is detected in `bsconfig`. https://github.com/rescript-lang/rescript-vscode/pull/673
 - Improve precision in signature help. You now do not need to type anything into the argument for it to highlight. https://github.com/rescript-lang/rescript-vscode/pull/675
 
+#### :bug: Bug Fix
+
+- Highlight `catch` like a keyword https://github.com/rescript-lang/rescript-vscode/pull/677
+
 ## v1.10.0
 
 #### :nail_care: Polish

grammars/rescript.tmLanguage.json

@@ -5,7 +5,7 @@
   "repository": {
     "RE_KEYWORD_CONTROL": {
       "name": "keyword.control",
-      "match": "\\b(and|as|assert|async|await|constraint|downto|else|exception|external|for|if|in|lazy|mutable|rec|switch|to|try|when|while|with)\\b"
+      "match": "\\b(and|as|assert|async|await|catch|constraint|downto|else|exception|external|for|if|in|lazy|mutable|rec|switch|to|try|when|while|with)\\b"
     },
     "RE_TO_DOWNTO_AS_LABELS": {
       "patterns": [