feat: initialize repo with NixOS and Home Manager configs

- Add .gitignore for common languages, tools, and OS/editor artifacts
- Configure .gitattributes for Git LFS (fonts, images, archives, ISOs)
- Add README with repo description
- Add flake.nix defining inputs and outputs for NixOS, Home Manager, and related modules
- Introduce home-manager configs:
  - Base home.nix with packages, services, and programs
  - Hyprland WM configuration (waybar, fuzzel, keybindings, theming)
  - Vim (nixvim) setup with LSP and plugins
  - Zsh setup with aliases, Oh My Zsh, clipboard helpers
  - Systemd user services (e.g., librespot)
- Add scripts (GPU monitor, RAM build helper, install automation)
- Add host configurations:
  - Nixbook (Apple laptop) with hardware, disko, and install script
  - Nixstation (desktop) with firewall, virtualization, Btrfs scrub timer
  - Nixtest (test VM) with QEMU + Alpine-based install test harness
  - Common modules (network, NVIDIA, rclone, screen, keychron, users)
- Include statix config for linting

home-manager/scripts/nixstation-home-ram-build.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -e
+
+RAMDISK_PATH="/mnt/ramdisk"
+SIZE="16G"
+FLAKE_NAME=".#thiago@Nixstation"
+
+echo "[+] Creating RAM disk at $RAMDISK_PATH ($SIZE)"
+sudo mkdir -p "$RAMDISK_PATH"
+sudo mount -t tmpfs -o size=$SIZE tmpfs "$RAMDISK_PATH"
+
+echo "[+] Running home-manager switch with TMPDIR=$RAMDISK_PATH"
+TMPDIR="$RAMDISK_PATH" home-manager switch --flake "$FLAKE_NAME"
+
+echo "[+] Cleaning up RAM disk"
+sudo umount "$RAMDISK_PATH"