* Engine API: remove unauth port

* Remove reduntant auth from variable names

* save

* save

Fixed important between

* added datadir jwt

* fixed readme

* Bump storage space recommendation to 4TB.

* OK, 3TB instead of 4TB

* SSD performance deteriorates when close to capacity

* Expose port 8551 (authenticated Engine API)

* Expose eth API on the same ports as engine API

* Updating README to include running two instances on the same machine.

* Updating formatting

* now watch-the-burn needs to be enabled

* refine

* ops

* readme.md

* ops

The recommended pruning parameter `--prune.r.older=2_000_000` prunes too many blocks to successfully sync an Eth2 client.

At the time of writing, we're at block 13411141. That means with the above prune parameter, recipes of blocks older than 11411141 are pruned. This misses some required blocks, as the deposit contract was deployed at block 11184524 (see option `--contract-deployment-block` from [here](https://docs.prylabs.network/docs/prysm-usage/parameters/))

Instead, use the new `--prune.r.before 11184524` option together with `--prune htc`

* Move ETL to erigon-lib

* Update link in the readme

* go mod tidy

* Use common/chan.go from erigon-lib

* Clean up

* Fix lint

* Fix test

* Fix compilation

Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>

Changed `name if the chain` to `name of the chain`