Install Nginx and Configire Task --not able to start the Nginx http and reverse proxy server

@royki @ramashish.sharma @sudheer77 @Inderpreet
i have moved cert and key to /etc/pki/tls/certs
created index.html after rm index.html
content of index.html file

Welcome!

installed nginx and attached are confid files, after i updated nginx.config i am not able to restart nginx

i have tried 10 times now so far no luck any one pls let me know why the nginx is not starting