Added Apache2 config example

setup/mailtrain-apache.conf

@@ -0,0 +1,12 @@
+# This example sets up mailtrain.org/www.mailtrain.org virtual domains
+# for Apache2 and proxies requests for these domains to localhost port 3000
+
+# Using mod_proxy is not enabled by default, so you probably need to do this yourself
+
+<VirtualHost *:80>
+    ProxyPreserveHost On
+    ProxyPass        "/" "http://127.0.0.1:3000/"
+    ProxyPassReverse "/" "http://127.0.0.1:3000/"
+    ServerName mailtrain.org
+    ServerAlias www.mailtrain.org
+</VirtualHost>

setup/mailtrain-nginx.conf

@@ -1,3 +1,6 @@
+# This example sets up mailtrain.org/www.mailtrain.org virtual domains
+# for Nginx and proxies requests for these domains to localhost port 3000
+
 server {
     listen 80;
     listen [::]:80;