feat(dltos): add ipcalc

Author: DataLabTechTV

system_files/etc/distrobox/dltos.ini

@@ -15,7 +15,7 @@ additional_packages=fish starship chezmoi direnv keychain fastfetch
 additional_packages=zoxide bat ripgrep fd-find eza ncdu age btop nvtop lshw lspci
 
 # --- network ---
-additional_packages=iperf3 mkcert nc nmap prettyping rclone
+additional_packages=iperf3 mkcert nc nmap ipcalc prettyping rclone
 
 # --- graphics ---
 additional_packages=ImageMagick ImageMagick-heic libheif-freeworld libde265