build: update base path for website

Author: yorkie

.github/workflows/deploy-website.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Build documentation artifacts
         env:
           GTAG: ${{ secrets.GTAG }}
-          BASE_PATH: '/jsar-runtime/'
+          BASE_PATH: '/runtime/'
         run: |
           npm run build:website