refactor: rename subplebbit to board

src/views/board/board.tsx

@@ -3,7 +3,7 @@ import { useParams } from 'react-router-dom';
 import { useFeed, useSubplebbit } from '@plebbit/plebbit-react-hooks';
 import { Virtuoso, VirtuosoHandle, StateSnapshot } from 'react-virtuoso';
 import { useTranslation } from 'react-i18next';
-import styles from './subplebbit.module.css';
+import styles from './board.module.css';
 import useFeedStateString from '../../hooks/use-feed-state-string';
 import LoadingEllipsis from '../../components/loading-ellipsis';
 import Post from '../../components/post';

src/views/board/index.ts

@@ -0,0 +1 @@
+export { default } from './board';

src/views/subplebbit/index.ts

@@ -1 +0,0 @@
-export { default } from './subplebbit';