Update package.json

Fixed dependencies trying to get the types on root instead of dist.

Author: andreujuanc

package.json

@@ -67,6 +67,8 @@
     },
     "files": [
         "dist",
-        "*.md"
+        "*.md",
+        "oas30.d.ts",
+        "oas31.d.ts",
     ]
 }