fix CRLF line endings, enforce LF via .gitattributes

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

dot-add

@@ -1,50 +0,0 @@
-#!/usr/bin/env bash
-# dot-add: Move config files/dirs into the dotfiles repo and stow them.
-#
-# Usage: dot-add <package> <path> [<path> ...]
-#
-# Examples:
-#   dot-add sway ~/.config/sway/config
-#   dot-add sway ~/.config/sway/
-#   dot-add sway ~/.config/sway/*
-
-set -euo pipefail
-
-DOTFILES_DIR="$(cd "$(dirname "$0")" && pwd)"
-
-if [[ $# -lt 2 ]]; then
-  echo "Usage: dot-add <package> <path> [<path> ...]"
-  exit 1
-fi
-
-PACKAGE="$1"
-shift
-
-add_one() {
-  local FILE
-  FILE="$(realpath "$1")"
-
-  if [[ ! -e "$FILE" ]]; then
-    echo "Error: '$FILE' does not exist" >&2
-    return 1
-  fi
-
-  if [[ ! "$FILE" == "$HOME/"* ]]; then
-    echo "Error: '$FILE' is not under \$HOME" >&2
-    return 1
-  fi
-
-  local REL="${FILE#$HOME/}"
-  local DEST="$DOTFILES_DIR/$PACKAGE/$REL"
-
-  mkdir -p "$(dirname "$DEST")"
-  mv "$FILE" "$DEST"
-  echo "Moved: $FILE -> $DEST"
-}
-
-for PATH_ARG in "$@"; do
-  add_one "$PATH_ARG"
-done
-
-stow --dir="$DOTFILES_DIR" --target="$HOME" --restow "$PACKAGE"
-echo "Stowed: $PACKAGE"