fix(docs): missing dash in Storybook command. (vercel#3042)

Author: anthonyshew

docs/pages/repo/docs/handbook/tools/storybook.mdx

@@ -78,7 +78,7 @@ Next, we need to scaffold Storybook:
 
       ```shell
       cd workshop
-      pnpx sb init -skip-install
+      pnpx sb init --skip-install
       pnpm install --save-dev @storybook/cli   # Manually install deps and CLI
       ```