Apply spelling, grammar, and documentation fixes from 20 unmerged PRs
with the spelling label. Changes include:
- Fix documentation typos and grammar issues across codebase
- Update broken links to use new reth.rs domain
- Correct RPC method names in trace API documentation
- Fix technical terminology (NVMe, Rlpx, etc.)
- Improve code comments for clarity
- Fix assertion error messages to reference correct variables
- Update era1 block index documentation
Co-Authored-By: Jennifer Paffrath <jennifer@paffrath.io>
Co-Authored-By: Max <max@digi.net>