Revert "[website] Remove X-Frame-Options"
Revert "[website] Remove X-Frame-Options"

This reverts commit fdd9377cbf1d030f620e2c437870d598963cc6f1.

mui-org/material-ui,rscnt/material-ui,rscnt/material-ui,mui-org/material-ui,mui-org/material-ui,rscnt/material-ui