Improve the pkg file

pipewire-0-pkg.el

@@ -1,2 +1,30 @@
-(define-package pipewire-0 "1"
+;;; pipewire-0-pkg.el --- pipewire-0 package definition  -*- lexical-binding: t -*-
-  "Interface to PipeWire.")
+
+;; Copyright (C) 2022 Milan Zamazal <pdm@zamazal.org>
+
+;; Author: Milan Zamazal <pdm@zamazal.org>
+;; Package-Version: 1
+;; Package-Requires: ((emacs "25.1"))
+;; Keywords: multimedia
+;; URL: https://git.zamazal.org/pdm/pipewire-0
+
+;; COPYRIGHT NOTICE
+;;
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-package "pipewire-0" "1"
+  "Interface to PipeWire."
+  '((emacs "28.1")))
+
+;;; pipewire-0-pkg.el ends here