chore: using mise to manage node versions and tasks

[Rodriguespn]

No description provided.

[coderabbitai]

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📝 Walkthrough

Summary by CodeRabbit

• Documentation

  • Updated contribution and development guides with clarified setup and workflow instructions.
  • Added guidance for environment variable configuration in development setup.

• Chores

  • Added development tool configuration for project management.
  • Updated version control to exclude environment configuration files.

Walkthrough

The changes introduce mise as a tool and task manager for the project. A new mise.toml configuration file is added, defining Node.js LTS requirements, environment setup, and task definitions for install, validate, build, check, and eval operations. Documentation files (AGENTS.md and CONTRIBUTING.md) are updated to replace npm-centric workflows with mise-based equivalents throughout setup, build, and validation steps. The .gitignore file is updated to exclude environment variable files from version control.

Suggested labels

documentation, configuration

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