fix(docker-compose): correct indentation in tailscale command

Normalize whitespace and indentation in the tailscale service command
block for better readability and consistency with yaml formatting
standards.

patrizio/docker-compose.yml

@@ -23,10 +23,10 @@ services:
     env_file:
       - tailscale.env
     command: >
--      sh -c "tailscaled &
--             sleep 5 &&
--             tailscale up --accept-dns=true --login-server=https://vpn.poldebra.me &&
--             wait"
+      sh -c "tailscaled &
+             sleep 5 &&
+             tailscale up --accept-dns=true --login-server=https://vpn.poldebra.me &&
+             wait"
     healthcheck:
       test: ["CMD-SHELL", "tailscale status"]
       interval: 1s