refactor: Replace Webpack with Vite (#53)

src/views/components/injected/TableSubheading/TableSubheading.tsx

@@ -0,0 +1,25 @@
+import { ScrapedRow } from '@shared/types/Course';
+import { useEffect } from 'react';
+import styles from './TableSubheading.module.scss';
+
+interface Props {
+    row: ScrapedRow;
+}
+
+/**
+ * This component is injected into each row of the course catalog table.
+ * @returns a react portal to the new td in the column or null if the column has not been created yet.
+ */
+export default function TableSubheading({ row }: Props) {
+    const { element } = row;
+
+    useEffect(() => {
+        element.classList.add(styles.subheader);
+
+        return () => {
+            element.classList.remove(styles.subheader);
+        };
+    }, [element]);
+
+    return null;
+}