Update pid file location

install/rhel/nginx/nginx.conf

@@ -3,7 +3,7 @@ user                    apache;
 worker_processes        auto;
 worker_rlimit_nofile    65535;
 error_log               /var/log/nginx/error.log;
-pid                     /var/run/nginx.pid;
+pid                     /run/nginx.pid;
 
 # Worker config
 events {

src/rpm/nginx/nginx.conf

@@ -3,7 +3,7 @@ user                    admin;
 worker_processes        1;
 worker_rlimit_nofile    65535;
 error_log               /usr/local/hestia/log/nginx-error.log;
-pid                     /var/run/hestia-nginx.pid;
+pid                     /run/hestia-nginx.pid;
 
 # Worker config
 events {