Add support for Reason (#3336)

lib/linguist/languages.yml

@@ -499,6 +499,7 @@ C++:
   - ".inc"
   - ".inl"
   - ".ipp"
+  - ".re"
   - ".tcc"
   - ".tpp"
   language_id: 43
@@ -3548,6 +3549,19 @@ Raw token data:
   tm_scope: none
   ace_mode: text
   language_id: 318
+Reason:
+  type: programming
+  group: OCaml
+  ace_mode: rust
+  codemirror_mode: rust
+  codemirror_mime_type: text/x-rustsrc
+  extensions:
+  - ".re"
+  - ".rei"
+  interpreters:
+  - ocaml
+  tm_scope: source.reason
+  language_id: 869538413
 Rebol:
   type: programming
   color: "#358a5b"