style: fix lint errors

src/components/Breadcrumbs.tsx

@@ -2,7 +2,7 @@ import { useMatches } from "react-router-dom";
 
 import classes from './breadcrumbs.module.css';
 
-export function Breadcrumbs() {
+function Breadcrumbs() {
     const matches = useMatches();
     const crumbs = matches
         // first get rid of any matches that don't have handle and crumb
@@ -14,6 +14,7 @@ export function Breadcrumbs() {
     return (
         <ol className={classes.breadcrumbs}>
             {crumbs.map((crumb, index) => (
+                // eslint-disable-next-line react/no-array-index-key
                 <li className={classes.crumb} key={index}>{crumb}</li>
             ))}
         </ol>