add automerge repo sync server

dns/README.md

@@ -52,5 +52,6 @@ All subdomains point to the same static IP:
 - `pds.commonscomputer.com` → PDS (port 5556, proxied via Caddy)
 - `knot.commonscomputer.com` → Tangled Knot (port 5555, proxied via Caddy)
 - `spindle.commonscomputer.com` → Tangled Spindle (port 6555, proxied via Caddy)
+- `automerge.commonscomputer.com` → Automerge Repo sync server (port 3030, proxied via Caddy)
 
 Caddy handles HTTPS termination and reverse proxying to the internal services.

dns/dnscontrol.js

@@ -1,8 +1,7 @@
 var REG_NONE = NewRegistrar("none");
 var DNS_PROVIDER = NewDnsProvider("cloudflare"); // Change to your DNS provider
 
-// TODO: Replace with actual static IP address once configured
-var SERVER_IP = "TODO_STATIC_IP";
+var SERVER_IP = "205.250.24.44";
 
 D("commonscomputer.com", REG_NONE, DnsProvider(DNS_PROVIDER),
   // PDS - Personal Data Server
@@ -13,6 +12,9 @@ D("commonscomputer.com", REG_NONE, DnsProvider(DNS_PROVIDER),
   
   // Spindle - CI runner
   A("spindle", SERVER_IP),
+
+  // Automerge Repo sync server
+  A("automerge", SERVER_IP),
   
   // Optional: Wildcard for future services
   // A("*", SERVER_IP),