Endpoint for creating a subnet
SP: 3
Optimistic time estimation: 2
Pessimistic time estimation: 5
Follow-up of: https://gitlab.com/nunet/architecture/-/issues/141
## Work Breakdown Structure (WBS)
| Task | Description | Duration | Status | Start Date | End Date | Comment |
| ------ | ------ | ------ | ------ | ------ | ------ | ------ |
| A | Implement the tunneling helpers, tunneling protocol and streamHandler and all the rest | 4 hours | Done | | | |
| B | Testing | 1-3 hours | Done | | | |
issue