feat: Add Nextcloud service to homelab setup

homelab/Caddyfile

@@ -39,3 +39,26 @@
 
     reverse_proxy 2fauth:8000
 }
+
+# ===========================
+# Nextcloud
+# ===========================
+{$STORAGE_DOMAIN} {
+    log {
+        level INFO
+        output file {$LOG_FILE} {
+            roll_size 10MB
+            roll_keep 10
+        }
+    }
+
+    tls {
+        dns duckdns {$DUCKDNS_TOKEN}
+    }
+
+    encode zstd gzip
+
+
+    reverse_proxy nextcloud:80
+}
+