add Caddyfile and update README.md

Makefile

···
 .env:
-	uv run -- generate_secrets.py >> .env
+	uv run -- etc/generate_secrets.py >> .env
 
 .PHONY: debug
 debug:

README.md

···
 # ligo.at
 
-A decentralized links page on top of [AT Protocol][atproto].
+Decentralized and customizable links page on top of [AT Protocol][atproto].
 
 ## dependencies
 
···
 
 ## generate secrets
 
-Use the `generate_secrets.py` script or run `make .env`.
+Use the `etc/generate_secrets.py` script or run `make .env`.
 
 ## synchronization
 
···
 
 The Jetstream ingestor can be started with `make ingestor`.
 
-### systemd
+Some example configuration files are provided in the `etc` folder. They assume the code will live at `/var/www/ligoat`. Keep this in mind if you want to place it somewhere else.
 
-Two systemd service files are found in the `dist` folder. They can be used to run both the server and the jetstream ingestor.
+- A `Caddyfile` that configures a [caddy][caddy] reverse proxy.
+- Two systemd service files. They can be used to run both the server and the jetstream ingestor.
 
 [atproto]: https://atproto.com
+[caddy]: https://caddyserver.com/
+[jetstream]: https://atproto.wiki/en/wiki/reference/networking/jetstream
 [uv]: https://docs.astral.sh/uv/
-[jetstream]: https://atproto.wiki/en/wiki/reference/networking/jetstream

dist/ligoatingestor.service etc/ligoatingestor.service

···
 [Unit]
 Description = ligo.at jetstream ingestor
-After = ligoat.service
+After = network.target
 
 [Service]
 ExecStart        = uv run -- ingestor

etc/Caddyfile

···
+example.com {
+    handle_path /static/* {
+        # change this to where you have the code
+        root * /var/www/ligoat/src/static
+        file_sever
+    }
+
+    handle {
+        # change this to the port you use
+        reverse_proxy :8080
+    }
+}