feat: add frp docker compose setup

frp/frps/docker-compose.yml

@@ -0,0 +1,12 @@
+services:
+  frps:
+    image: snowdreamtech/frps:latest
+    container_name: frps
+    restart: unless-stopped
+    network_mode: host
+    env_file:
+      - .env
+    environment:
+      TZ: ${TZ:-Asia/Shanghai}
+    volumes:
+      - ./frps.toml:/etc/frp/frps.toml:ro