updates link from old one which is dead to new one on i-share

[katyhuff]

Summary of changes

Updates the link to the ECIP book.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] I have read the CONTRIBUTING document.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

Associated Issues and PRs

• Issue: #304

Associated Developers

• Dev: @osanstrong

Checklist for Reviewers

Reviewers should use this link to get to the Review Checklist before they begin their review.

[munkm]

This looks good to me! Thank you for the fix @katyhuff !