Types are missing

The types added in 1.15.0 seem to be missing in 1.15.3 The contents of the openapi-enforcer.d.ts file in the latest version are:

```typescript
declare module 'openapi-enforcer'
```

I have checked the bundled package.json to confirm that the version is 1.15.3. The code in the repository is correct, but it seems to be missing in the bundled NPM package.