add error pages to all sites

sites/client.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name client.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://proxmoxaas.dmz:8080;
         include /etc/nginx/snippets/proxy-params.conf;

sites/homepage.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://sites.dmz:80;
         include /etc/nginx/snippets/proxy-params.conf;

sites/ldap.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name ldap.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://ldap.dmz:80;
         include /etc/nginx/snippets/proxy-params.conf;

sites/mail.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name mail.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass https://mail2.dmz;
         include /etc/nginx/snippets/proxy-params.conf;

sites/nextcloud.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name nextcloud.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://nextcloud2.dmz:11000;
         include /etc/nginx/snippets/proxy-params.conf;

sites/opns.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name opns.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass https://10.0.0.1:10443;
         include /etc/nginx/snippets/proxy-params.conf;

sites/pve.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name pve.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass https://geigatron-0-pve.tn:8006;
         include /etc/nginx/snippets/proxy-params.conf;

sites/root.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name root.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://root.root:80;
         include /etc/nginx/snippets/proxy-params.conf;

sites/status.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name status.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://sites.dmz:8080;
         include /etc/nginx/snippets/proxy-params.conf;

sites/wiki.conf

@@ -2,6 +2,7 @@ server {
     listen 443 ssl http2;
     server_name wiki.tronnet.net;
     include /etc/nginx/snippets/ssl-params.conf;
+	include /etc/nginx/snippets/error-pages.conf;
     location / {
         proxy_pass http://sites.dmz:8081;
         include /etc/nginx/snippets/proxy-params.conf;