fix trailing slash causing folder listing to not fetch content correctly

Jacky Zhao

2023-08-19 6681f28af0bb753918699c41ef9a8421f6b7cd08

 content/index.md

@@ -13,7 +13,7 @@
```shell
git clone https://github.com/jackyzha0/quartz.git
cd quartz
git checkout v4-alpha
git checkout v4
npm i
npx quartz create
```