1st commit - refined 2019 cfg + AI made README (I despise writing docs so it was either letting AI write README or having none, sorry)

nginx/custom.d/errorpage

@@ -0,0 +1,57 @@
+ # This is an NGINX configuration file written and used by me in order to map HTTP errors to static HTML pages.
+ #
+ # (c) Corrado Mulas <tlc@mulas.me>
+ #
+ # For the full copyright and license information, please view the LICENSE
+ # file that was distributed with this source code.
+
+   # error_page 503 /main.html;
+   # location = /maint.html {
+   #     root /var/www/;
+   # }
+
+###########	4xx	##########################
+
+        error_page 401 @error41;
+        location @error41 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /401.html break;
+        }
+
+        error_page 403 @error43;
+        location @error43 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /403.html break;
+        }
+
+        error_page 404 @error44;
+        location @error44 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /404.html break;
+        }
+
+###########	5xx	###########################à
+
+        error_page 500 @error50;
+        location @error50 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /500.html break;
+        }
+
+        error_page 502 @error52;
+        location @error52 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /502.html break;
+        }
+
+        error_page 503 @error53;
+        location @error53 {
+		root /var/www/errors;
+                rewrite ^(.*)$ /503.html break;
+        }
+
+        error_page 504 @error54;
+        location @error54 {
+                root /var/www/errors;
+                rewrite ^(.*)$ /504.html break;
+        }