* init website
Signed-off-by: cwen0 <cwenyin0@gmail.com>

* fix comment
Signed-off-by: cwen0 <cwenyin0@gmail.com>

* address comment
Signed-off-by: cwen0 <cwenyin0@gmail.com>

* update readme
Signed-off-by: cwen0 <cwenyin0@gmail.com>

* add CNAME
Signed-off-by: cwen0 <cwenyin0@gmail.com>
Co-authored-by: pingcap-github-bot <sre-bot@pingcap.com>