fix: watch config file when using srcDir

src/node/plugin.ts

@@ -112,6 +112,9 @@ export function createVitePressPlugin(
     },
 
     configureServer(server) {
+      console.log(configPath)
+      server.watcher.add(configPath)
+
       // serve our index.html after vite history fallback
       return () => {
         server.middlewares.use((req, res, next) => {