go with react-router rather than next.js

Author: oliviertassinari

docs/src/modules/components/AppTableOfContents.js

@@ -205,8 +205,8 @@ export default function AppTableOfContents(props) {
       event.button !== 0 || // ignore everything but left-click
       event.metaKey ||
       event.ctrlKey ||
-      event.shiftKey ||
-      (event.nativeEvent && event.nativeEvent.which === 2)
+      event.altKey ||
+      event.shiftKey
     ) {
       return;
     }

docs/src/modules/components/MarkdownLinks.js

@@ -9,8 +9,8 @@ export async function handleEvent(event, as) {
     event.button !== 0 || // ignore everything but left-click
     event.metaKey ||
     event.ctrlKey ||
-    event.shiftKey ||
-    (event.nativeEvent && event.nativeEvent.which === 2)
+    event.altKey ||
+    event.shiftKey
   ) {
     return;
   }