fix(core): types field in package.json (#693)

Author: PeachScript

packages/core/package.json

@@ -20,7 +20,7 @@
   "engines": {
     "node": ">=10"
   },
-  "types": "lib/index.d.ts",
+  "types": "./dist/index.d.ts",
   "homepage": "https://react-svgr.com",
   "funding": {
     "type": "github",