Better documentation of server configuration, add error reporting server

Docs/ServerConfig/hetzner/Caddyfile

@@ -17,7 +17,7 @@ countrycoder.mapcomplete.org {
 
 report.mapcomplete.org {
 	reverse_proxy {
-		to http://127.0.0.1:2600
+		to http://127.0.0.1:2348
 	}
 }
 

Docs/ServerConfig/hetzner/hetzner.txt

@@ -2,11 +2,49 @@
 
 This server hosts the studio files and is used for expermintal builds.
 
-For used hosts, see the Caddyfile
+For used ports, see the Caddyfile
+
+To update caddy
+
+```
+    cp Caddyfile /etc/caddy/
+    # If caddy was running via a console instead of as a service, do `caddy stop` now
+    systemctl reload caddy
+```
+
+Debug logs with: `journalctl -u caddy --no-pager | less +G`
+
+Services:
 
 
-## Cache forwarding
+### studio + theme sync
 
-As the ISP of Nerdlab is a bit picky, we use SSH-port-forwarding on the cache server:
+The studio server, handling those requests.
 
-`ssh -R 5445:127.0.0.1:5445 hetzner`
+`npm run server:studio`
+
+Additionally, this runs syncthing to make a backup of all theme files.
+
+### LOD-server
+
+A server scraping other websites.
+
+`npm run server:ldjson`
+
+### Error report server
+
+A simple server logging everything it receives
+
+`npm run server:errorreport`
+
+### geo-ip
+
+Provides geolocation based on
+
+    ```
+    git clone https://github.com/pietervdvn/geoip-server
+    cd geoip-server
+    mkdir data
+    # Drop the databases from https://lite.ip2location.com/ in the data dir
+    npm run start
+    ```