docs(fee-estimation): Update docs for fee estimation

[roninjin10]

Description

Update docs for fee estimation based on the final API

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🦋 Changeset detected

Latest commit: 0e017e2

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@eth-optimism/fee-estimation	Patch

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[codecov]

Codecov Report

Merging #6418 (0e017e2) into develop (e2054df) will increase coverage by 3.42%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #6418      +/-   ##
===========================================
+ Coverage    40.85%   44.28%   +3.42%     
===========================================
  Files          393      315      -78     
  Lines        32334    25106    -7228     
  Branches      1689        0    -1689     
===========================================
- Hits         13211    11118    -2093     
+ Misses       17682    12977    -4705     
+ Partials      1441     1011     -430     

Flag	Coverage Δ
bedrock-go-tests	44.28% <ø> (+0.02%)	⬆️
cannon-go-tests	?
chain-mon-tests	?
common-ts-tests	?
contracts-bedrock-tests	?
contracts-ts-tests	?
core-utils-tests	?
sdk-next-tests	?
sdk-tests	?

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see 81 files with indirect coverage changes