Eleventy Font Awesome v1.0.0-beta.10

• Adds support for accessible text for SVG sprite icons, a la https://docs.fontawesome.com/web/dig-deeper/accessibility#making-icons-accessible-manually, usage example: <i class="fas fa-tshirt">shirt</i>

v1 Milestone: https://github.com/11ty/eleventy-plugin-font-awesome/milestone/1?closed=1
Full Changelog: v1.0.0-beta.9...v1.0.0-beta.10