dnsmasq: serve config from /home/dank/Containers/dnsmasq (rootless-correct)

/opt is root-owned; the established data-location pattern (see
docs/Architecture/Storage Policy.md, open-webui quadlet) is
/home/dank/Containers/<service>.

dankserver/Caddyfile

@@ -15,6 +15,11 @@
 	email admin@franksdank.cloud
 }
 
+# --- Bare-IP access (health checks, convenience) ---
+:80 {
+	redir http://dankserver.franksdank.cloud/ 302
+}
+
 # --- Homepage (password protected) ---
 http://dankserver.franksdank.cloud {
 	basicauth {