add 'types' field on package.json. #36

Author: endel

package.json

@@ -1,9 +1,10 @@
 {
   "name": "uwebsockets-express",
-  "version": "1.3.9",
+  "version": "1.3.10",
   "description": "Express API compatibility layer for uWebSockets.js",
   "main": "build/index.js",
   "module": "build/index.mjs",
+  "types": "build/index.d.ts",
   "exports": {
     ".": {
       "import": "./build/index.mjs",