Add Support for Reth Client

[khalifaa55]

Changes:

• Add Reth client to Mainnet, Holesky, and Sepolia networks

  Types of changes

What types of changes does your code introduce? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Documentation Update
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Other (please describe):

Testing

Requires testing

• [x] Yes
• [ ] No

In case you checked yes, did you write tests?

• [ ] Yes
• [x] No

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.59%. Comparing base (3df8466) to head (ec4832e). Report is 1 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #376 +/- ## ======================================== Coverage 86.59% 86.59% ======================================== Files 78 78 Lines 3977 3977 ======================================== Hits 3444 3444 Misses 448 448 Partials 85 85 ``` | [Flag](https://app.codecov.io/gh/NethermindEth/sedge/pull/376/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=NethermindEth) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/NethermindEth/sedge/pull/376/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=NethermindEth) | `86.59% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=NethermindEth#carryforward-flags-in-the-pull-request-comment) to find out more.

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