added simple server test configurations

etc/nginx/availableSites/testing_nonsecure.conf

@@ -0,0 +1,19 @@
+#######
+### NGINX server configuration
+### Basic HTTP test setup using default NGINX index page
+#######
+
+server {
+    listen 80;
+    listen [::]:80;
+
+    # specify server name(s)
+    include /etc/nginx/snippets/server_names.conf;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    # error pages
+    include /etc/nginx/snippets/error_pages.conf;
+}

etc/nginx/availableSites/testing_secure.conf

@@ -0,0 +1,22 @@
+#######
+### NGINX server configuration
+### Basic HTTPS test setup using default NGINX index page
+#######
+
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+
+    # specify server name(s)
+    include /etc/nginx/snippets/server_names.conf;
+
+    # SSL certificates for this server
+    include /etc/nginx/snippets/ssl/ssl_certs.conf;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    # error pages
+    include /etc/nginx/snippets/error_pages.conf;
+}