fix(devtools): error types declaration exports (#171)

Author: webfansplz

packages/devtools/package.json

@@ -11,6 +11,7 @@
   },
   "exports": {
     ".": {
+      "types": "./dist/index.d.ts",
       "import": "./dist/index.mjs",
       "require": "./dist/index.cjs"
     },