added caddy webserver

caddy/docker-compose.yml

@@ -0,0 +1,18 @@
+services:
+  ts-caddy:
+    image: tailscale/tailscale:latest
+    container_name: ts-caddy
+    hostname: ts-caddy
+    environment:
+      - TS_AUTHKEY:${TAILSCALE_AUTHKEY}
+      - TS_SOCKET:/var/run/tailscale/tailscaled.sock
+    volumes:
+      - ${PWD}/ts-caddy/state:/var/lib/tailscale
+      - /dev/net/tun:/dev/net/tun
+    cap_add:
+      - net_admin
+      - sys_module
+    restart: unless-stopped
+  caddy:
+    image: caddy/caddy:latest
+    network_mode: service:ts-caddy