Documentation of input type terms

[trbroyles1]

Description

Add a table with documentation of HTML5 input tag correspondence to terms used in Choices documentation. Clarifies input element requirements for Choices behavior.
May help others who experience issues similar to #872

Types of changes

• Chore (tooling change or documentation change)
• Refactor (non-breaking change which maintains existing functionality)
• 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 not work as expected)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[mtriff]

This looks really nice! I've just made some changes to fix typos, simplify the table and use MDN as a reference instead. This should be a helpful addition to the docs 😃.