use @opam/reason (rescript-lang#89)

Co-authored-by: EduardoRFS <[email protected]>

Author: jfrolich

esy.json

@@ -3,12 +3,13 @@
   "version": "7.2.0",
   "dependencies": {
     "ocaml": "4.12.0+BS",
-    "@esy-ocaml/reason": "^3.7.0",
+    "@opam/reason": "^3.7.0",
     "@opam/dune": "*",
     "@opam/dune-action-plugin": "*",
     "@opam/ocamlfind": "1.8.1"
   },
   "devDependencies": {
+    "@opam/ocaml-lsp-server": "ocaml/ocaml-lsp:ocaml-lsp-server.opam",
     "web-tree-sitter": "0.18.0",
     "@opam/merlin": "*"
   },