fix: correction package.json exports types path (libp2p#191)

Author: eng-cc

package.json

@@ -28,7 +28,7 @@
   ],
   "exports": {
     ".": {
-      "types": "./src/index.d.ts",
+      "types": "./dist/src/index.d.ts",
       "import": "./dist/src/index.js"
     }
   },