FCE-2419 / export PeerOptionsAgent and PeerOptionsWebrtc (#213)

## Description

Export missing types.

## Motivation and Context

They are needed.

## Documentation impact

- [ ] Documentation update required
- [ ] Documentation updated [in another PR](_)
- [x] No documentation update required

## Types of changes

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to
      not work as expected)

Author: czerwiukk

packages/js-server-sdk/src/index.ts

@@ -2,6 +2,8 @@ export {
   PeerStatus,
   RoomConfig,
   PeerOptions,
+  PeerOptionsWebRTC,
+  PeerOptionsAgent,
   RoomConfigVideoCodecEnum,
   RoomConfigRoomTypeEnum,
   ViewerToken,