fix: add fmt alias for mise format task

[hanabi1224]

Summary of changes

Changes introduced in this pull request:

• users can run mise format in additional mise run fmt
• format mise.toml

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Summary by CodeRabbit

• New Features

  • Format task now includes markdown and YAML formatting capabilities alongside existing formatting tools
  • Clean task now removes node_modules in addition to project artifacts

• Chores

  • Format task identifier updated with backward-compatible alias for existing workflows

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[coderabbitai]

Walkthrough

This pull request modifies mise.toml to rename the fmt task to format with a fmt alias, expand its scope with additional formatting tools, introduce explicit commands for the clean task, and normalize shell field formatting in the install task.

Changes

Cohort / File(s)	Summary
Task Configuration Updates mise.toml	Renamed [tasks.fmt] to [tasks.format] with alias = "fmt"; expanded format task to include cargo fmt, taplo fmt, yarn, md-fmt, and yaml-fmt commands; added explicit run script to [tasks.clean] for cargo clean and node_modules removal; normalized shell attribute formatting in [tasks.install]

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• fix: wrong shell for mise task #6433: Modifies the same [tasks.install] shell attribute normalization in mise.toml

Suggested reviewers

• akaladarshi

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: adding a 'fmt' alias for the mise format task, which aligns with the primary public entity change in the pull request.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.78%. Comparing base (21bbc45) to head (8655432).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

see 8 files with indirect coverage changes

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