Eleventy Font Awesome v1.0.0-beta.9

• Fixes bug with aliased icon names, e.g. <i class="fas fa-tshirt"></i> should map to fa-solid fa-shirt

v1 Milestone: https://github.com/11ty/eleventy-plugin-font-awesome/milestone/1?closed=1
Full Changelog: v1.0.0-beta.8...v1.0.0-beta.9