install.sh: copy instead of symlinks

This is only because termux .shortcuts can't be symlinks:
termux/termux-widget#57
I don't want to symlink everything else and make an exception for these
because it would be inconsistent and confusing.

install.sh

@@ -4,14 +4,14 @@ cd "$(dirname "$0")" || exit
 
 echo "Press y or n:"
 for f in $(git ls-files); do
-	[[ "$f" =~ readme|install.sh ]] && continue
+	[[ $f =~ readme|install.sh ]] && continue
 
-	REPLY=; until [[ "$REPLY" =~ [ynYN] ]]; do
+	REPLY=; until [[ $REPLY =~ [ynYN] ]]; do
 		read -rn1 -p "$f? "; echo
 	done
 
-	[[ "$REPLY" =~ [nN] ]] && continue
+	[[ $REPLY =~ [nN] ]] && continue
 
-	[[ "$f" == */* ]] && mkdir -p "$HOME/.${f%/*}"
-	ln -sf "$PWD/$f" "$HOME/.$f"
+	[[ $f == */* ]] && mkdir -p "$HOME/.${f%/*}"
+	cp "$PWD/$f" "$HOME/.$f"
 done