- renames corsMiddleware to corsMiddlewareFactory to follow naming convention
- optionally allow cors middleware to be configured
- amend direct calls of `cors` package to now use middleware factory
* feat(previews): multi region previews module
* feat(preview-service): talk multi region
* fix(preview-service): test helper await
* fix(preview-service): remove linting issue, this prob makes it worse
* fix(server/previews): fix factory to use getStreams as required
- convert javascript to typescript
* convert ogImage.js to ogImage.ts
* allow undefined angle to be provided