Update index directive to include .htm and .html extensions

install/deb/templates/mail/nginx/default.stpl

@@ -4,7 +4,7 @@ server {
     ssl_certificate      %ssl_pem%;
     ssl_certificate_key  %ssl_key%;
     root        /var/lib/roundcube;
-    index       index.php;
+    index       index.php index.html index.htm;
     
     location / {
         proxy_pass http://%ip%:%web_port%;

install/deb/templates/mail/nginx/default.tpl

@@ -2,7 +2,7 @@ server {
     listen      %ip%:%proxy_port%;
     server_name %domain% %alias%;
     root        /var/lib/roundcube;
-    index       index.php;
+    index       index.php index.html index.htm;
 
     include %home%/%user%/conf/mail/%root_domain%/nginx.forcessl.conf*;
 

install/deb/templates/mail/nginx/web_system.stpl

@@ -4,7 +4,7 @@ server {
     ssl_certificate      %ssl_pem%;
     ssl_certificate_key  %ssl_key%;
     root        /var/lib/roundcube;
-    index       index.php;
+    index       index.php index.html index.htm;
    
     location =/ {
         try_files $uri $uri/ /index.php?q=$uri&$args;

install/deb/templates/mail/nginx/web_system.tpl

@@ -2,7 +2,7 @@ server {
     listen      %ip%:%web_port%;
     server_name %domain% %alias%;
     root        /var/lib/roundcube;
-    index       index.php;
+    index       index.php index.html index.htm;
 
     include %home%/%user%/conf/mail/%root_domain%/nginx.forcessl.conf*;
 
@@ -54,7 +54,6 @@ server {
 
     location /error/ {
         alias   /var/www/document_errors/;
-
     }
 
     include %home%/%user%/conf/mail/%root_domain%/%web_system%.conf_*;