add dedicated logs to http sites

templates/http_server.j2

@@ -4,16 +4,20 @@ server {
     listen [::]:80;
 
     server_name {{ item.key }};
-    # Redirect to https
-    location / {
-        return 302 https://$host$request_uri;
-    }
+
+    access_log /var/log/nginx/http_{{ item.key }}.log;
+    error_log /var/log/nginx/http_{{ item.key }}_error.log;
 
     # ACME directory, to limit interaction with certbot
     location /.well-known/acme-challenge/ {
         root /var/www/well-known/acme-challenge/;
     }
 
+    # Redirect to https
+    location / {
+        return 302 https://$host$request_uri;
+    }
+
     include /etc/nginx/mime.types;
     default_type application/octet-stream;