docs: apply black and fix README bold formatting

[devin-ai-integration]

docs: fix bold formatting for Gas Estimation in README

Summary

This PR contains two improvements to code quality and documentation:

1. README Fix: Fixed incorrect bold formatting in the "Gas Estimation" feature bullet point by removing an extra asterisk
2. Code Formatting: Applied Black formatter to the entire codebase, reformatting 10 test files in tests/e2e/ for consistent code style

The changes are purely cosmetic/style-related with no functional modifications. All existing tests continue to pass.

Review & Testing Checklist for Human

• Verify the "Gas Estimation" bullet point in README.md displays with proper bold formatting
• Spot-check a few of the reformatted test files to ensure Black didn't accidentally alter test logic

---

Diagram

%%{ init : { "theme" : "default" }}%%
graph TD
    README["README.md<br/>(Gas Estimation formatting)"]:::minor-edit
    
    TestsE2E["tests/e2e/<br/>(10 test files)"]:::minor-edit
    
    BlackFormatter["Black Code Formatter<br/>(Applied automatically)"]:::context
    
    CI["CI Pipeline<br/>(Unit Tests + CodeRabbit)"]:::context
    
    BlackFormatter --> TestsE2E
    README --> CI
    TestsE2E --> CI
    
    subgraph Legend
        L1[Major Edit]:::major-edit
        L2[Minor Edit]:::minor-edit
        L3[Context/No Edit]:::context
    end
    
    classDef major-edit fill:#90EE90
    classDef minor-edit fill:#87CEEB
    classDef context fill:#FFFFFF

Loading

Notes

• All formatting changes are automatically generated by Black, ensuring consistency with project style standards
• The README fix addresses a minor Markdown rendering issue that would cause incorrect bold text display
• CI confirms no functional regressions introduced by the formatting changes

Link to Devin run: https://app.devin.ai/sessions/a73d63a301c94dd69cc2d87187f84f29
Requested by: @danielrc888

[devin-ai-integration]

🤖 Devin AI Engineer

I'll be helping with this pull request! Here's what you should know:

✅ I will automatically:

• Address comments on this PR. Add '(aside)' to your comment to have me ignore it.
• Look at CI failures and help fix them

Note: I can only respond to comments from users who have write access to this repository.

⚙️ Control Options:

• Disable automatic comment and CI monitoring

[coderabbitai]

Important

Review skipped

Bot user detected.

To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

---

🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

• Review comments: Directly reply to a review comment made by CodeRabbit. Example:
  • I pushed a fix in commit <commit_id>, please review it.
  • Open a follow-up GitHub issue for this discussion.
• Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query.
• PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
  • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
  • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.

Support

Need help? Join our Discord community for assistance with any issues or questions.

CodeRabbit Commands (Invoked using PR/Issue comments)

Type @coderabbitai help to get the list of available commands.

Other keywords and placeholders

• Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
• Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
• Add @coderabbitai anywhere in the PR title to generate the title automatically.

CodeRabbit Configuration File (.coderabbit.yaml)

• You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
• Please see the configuration documentation for more information.
• If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Status, Documentation and Community

• Visit our Status Page to check the current availability of CodeRabbit.
• Visit our Documentation for detailed information on how to use CodeRabbit.
• Join our Discord Community to get help, request features, and share feedback.
• Follow us on X/Twitter for updates and announcements.