mysql.php gor renamed to sql.php in 3.19

wiki/webserver/ExternalWebserversSQL.md

@@ -28,16 +28,16 @@ from the MySQL-Server.
 
 Luckily BlueMap provides such a script. A PHP-Script to be exact. This means the first thing you need to do is to make sure
 that you have PHP (>= 7.4) installed on your webserver.  
-Then you go into the webroot and open the `mysql.php`, and set your MySQL-Connection settings there.
+Then you go into the webroot and open the `sql.php`, and set your MySQL-Connection settings there.
 
 > **Important:**  
 > Make sure that your php-setup is working, otherwise you might accidentally leak those SQL-Connection-Settings to the world!
 {: .info .important }
 
-Now you need to configure your webserver, so that it rewrites all requests for which no static file exists to the `mysql.php`.
+Now you need to configure your webserver, so that it rewrites all requests for which no static file exists to the `sql.php`.
 
 ## NGINX
-On nginx this can be achieved with e.g. `try_files $uri /mysql.php;`.
+On nginx this can be achieved with e.g. `try_files $uri /sql.php;`.
 
 With some context your website-config could look something like this:
 ```nginx
@@ -49,7 +49,7 @@ server {
     root /var/www;
     
     location / {
-        try_files $uri /mysql.php;
+        try_files $uri /sql.php;
     }
     
     location ~ \.php$ {
@@ -84,8 +84,8 @@ DocumentRoot /var/www/
     RewriteCond %{REQUEST_FILENAME} !-s
     RewriteCond %{REQUEST_FILENAME} !-l
     RewriteCond %{REQUEST_FILENAME} !-d
-    # Rewrite request to the mysql.php
-    RewriteRule ^.*$ /mysql.php [L]  
+    # Rewrite request to the sql.php
+    RewriteRule ^.*$ /sql.php [L]  
 </Directory>
 
 # OPTIONAL: