- Adding some missing fields to structs
- Rearranged the endpoints in the rest_api router, and renamed, using an 'implementation_pending' function
- Added 'content-type' headers, to distinguish difference with /node/metrics
- Updated OpenAPI spec to v0.2.0
- Split /node/fork into /node/chain_id and /beacon/fork
- Moved /metrics to /node/metrics
- Added example to /node/metrics, since it's text/plain
- Moved /node/network to just /network
- Added lots of stubs for endpoints which exist in the router
- Reordered large parts of the OpenAPI spec
- Moved /chain/beacon/... to just /beacon/...