### What this PR does / why we need it? This PR add the quickstart doc ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Preview --------- Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
Add official doc index. Move the release content to the right place. Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>