create a tutorial for registering your chain id

[okwme]

could include steps for registering your username under the desired chain-id, installing the cosmos/chain-registrar and running to post the most up to date state

[okwme]

would love to see this broken down into constituent steps to understand if i can help connect to any unknown resource

[okwme]

maybe something around the relayer or to connect with someone from the IBC team