[shared] Expose tooltip props

[williaster]

🏆 Enhancements

• Allows additional customization Adds tooltipProps to the <WithTooltip />which will be passed to its TooltipComponent (and adds example in demo)
  

• Exposes @vx/responsive's new observer-based <ParentSize /> HOC

🐛 Bug fix

• bumps @vx/tooltip to 0.0.148 for bounds bug fix

TODO

• update readmes to include tooltipProps
• add tests for new functionality

[coveralls]

Coverage decreased (-0.1%) to 83.687% when pulling 78f9e8a on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage decreased (-0.1%) to 83.687% when pulling 128b382 on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage decreased (-0.1%) to 83.687% when pulling 128b382 on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage decreased (-0.1%) to 83.687% when pulling 128b382 on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage decreased (-0.1%) to 83.687% when pulling 128b382 on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage increased (+0.9%) to 84.698% when pulling 268bc64 on chris--with-tooltip-props into f5d4f42 on master.

[coveralls]

Coverage increased (+0.6%) to 84.408% when pulling 268bc64 on chris--with-tooltip-props into f5d4f42 on master.