Add bws install script

dot_local/bin/executable_install-bws

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+APP=bws
+VERSION=${VERSION:-0.3.0}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/bitwarden/sdk/releases/download/bws-v${VERSION}/bws-$(uname -m)-$(get_os)-${VERSION}.zip
+
+	extract_zip "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+function get_os () {
+	case $(uname -s) in
+		Linux*)     echo unknown-linux-gnu;;
+		Darwin*)    echo apple-darwin;;
+		*)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
+	esac
+}
+
+main "${@}"