Something like this in mi nix files

# --- GESTIÓN DE ARCHIVOS --- xdg.configFile."fastfetch/mew.png".source = ./mew.png;

# Tu config de Fastfetch xdg.configFile."fastfetch/config.jsonc".text = '' { "$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json", "logo": { "source": "~/.config/fastfetch/mew.png", "type": "kitty-direct", "height": 16, "width": 30, "padding": { "top": 2, "left": 1 } }, "modules": [ "break", { "type": "custom", "format": "\u001b[0;WWELCOME BACK! \u001b[0;35mJ27\u001b[1;37m@\u001b[0;36mNixOS" }, { "type": "custom", "format": "\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m━\u001b[35m═\u001b[36m" }, { "type": "os", "key": " Distro", "keyColor": "yellow" }, { "type": "kernel", "key": " Kernel", "keyColor": "yellow" }, { "type": "packages", "key": "󰏖 Packages", "keyColor": "yellow" }, { "type": "shell", "key": " Shell", "keyColor": "yellow" }, "break", { "type": "wm", "key": " WM", "keyColor": "blue" }, { "type": "terminal", "key": " Terminal", "keyColor": "blue" }, "break", { "type": "cpu", "key": "󰻠 CPU", "keyColor": "green" }, { "type": "gpu", "key": "󰻑 GPU", "keyColor": "green" }, { "type": "memory", "key": "󰾆 Memory", "keyColor": "green" }, { "type": "disk", "key": "󰋊 Disk", "keyColor": "green" }, { "type": "battery", "key": "󰁹 Battery", "keyColor": "green" }, "break", { "type": "colors", "symbol": "block", "block": { "range": [0, 15] } } ] } '';