feature: #119 Greater control over Tab

[mkatanec]

Basic information

• Tiller version:
  v1.6.1
• Module:
  tiller/core

Summary

Added index and onTabChange props to Tab for grater control

Details

Added index and onTabChange props which combined enable full control over Reach Tabs sub component

Related issue

ref: #119

Types of changes

• New feature (non-breaking change which adds functionality)
• Docs change

Checklist

• [ x ] I have read the project's CONTRIBUTING document
• [ x ] I have checked my code with the project's static analysis tooling
• [ x ] I have formatted my code with the project's Prettier code-style configuration
• [ x ] I have checked my code for misspellings
• [ x ] I have organized my changes in easy-to-follow commits
• [ x ] My change requires a change to the documentation
• [ x ] I have updated the documentation accordingly
• [ x ] I have added a story to cover my changes