New props and features

[laurenashpole]

Added support for:

• Preloading zoom image
• Width, height, and placeholder spacer
• Hiding magnifying glass hint
• Hiding close button on touch devices
• Scaling zoom image
• Zoom on hover

[laurenashpole]

:tada: This PR is included in version 1.1.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: