Use double quotes on JSX props

Author: jakezatecky

README.md

@@ -120,16 +120,16 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 <CheckboxTree
     ...
     icons={{
-        check: <FontAwesomeIcon className='rct-icon rct-icon-check' icon='check-square' />,
-        uncheck: <FontAwesomeIcon className='rct-icon rct-icon-uncheck' icon={['far', 'square']} />,
-        halfCheck: <FontAwesomeIcon className='rct-icon rct-icon-half-check' icon='check-square' />,
-        expandClose: <FontAwesomeIcon className='rct-icon rct-icon-expand-close' icon='chevron-right' />,
-        expandOpen: <FontAwesomeIcon className='rct-icon rct-icon-expand-open' icon='chevron-down' />,
-        expandAll: <FontAwesomeIcon className='rct-icon rct-icon-expand-all' icon='plus-square' />,
-        collapseAll: <FontAwesomeIcon className='rct-icon rct-icon-collapse-all' icon='minus-square' />,
-        parentClose: <FontAwesomeIcon className='rct-icon rct-icon-parent-close' icon='folder' />,
-        parentOpen: <FontAwesomeIcon className='rct-icon rct-icon-parent-open' icon='folder-open' />,
-        leaf: <FontAwesomeIcon className='rct-icon rct-icon-leaf-close' icon='file' />
+        check: <FontAwesomeIcon className="rct-icon rct-icon-check" icon="check-square" />,
+        uncheck: <FontAwesomeIcon className="rct-icon rct-icon-uncheck" icon={['far', 'square']} />,
+        halfCheck: <FontAwesomeIcon className="rct-icon rct-icon-half-check" icon="check-square" />,
+        expandClose: <FontAwesomeIcon className="rct-icon rct-icon-expand-close" icon="chevron-right" />,
+        expandOpen: <FontAwesomeIcon className="rct-icon rct-icon-expand-open" icon="chevron-down" />,
+        expandAll: <FontAwesomeIcon className="rct-icon rct-icon-expand-all" icon="plus-square" />,
+        collapseAll: <FontAwesomeIcon className="rct-icon rct-icon-collapse-all" icon="minus-square" />,
+        parentClose: <FontAwesomeIcon className="rct-icon rct-icon-parent-close" icon="folder" />,
+        parentOpen: <FontAwesomeIcon className="rct-icon rct-icon-parent-open" icon="folder-open" />,
+        leaf: <FontAwesomeIcon className="rct-icon rct-icon-leaf-close" icon="file" />
     }}
 />
 ```