Move URL in the header higher so Package-Requires becomes the last keyword

Apparently, `package-read-from-string` doesn’t like it the old way.

org-clock-waybar.el

@@ -1,12 +1,13 @@
+;;; ...  -*- lexical-binding: t -*-
 ;;; org-clock-waybar.el --- Summary
 
 ;; Copyright (C) 2021 Gergely Polonkai
 
 ;; Author: Gergely Polonkai <gergely@polonkai.eu>
 ;; Keywords: org, clocking, waybar
-;; Version: 1.0
-;; Package-Requires: ((emacs "26.1"))
 ;; URL: https://gitea.polonkai.eu/gergely/org-clock-waybar
+;; Package-Version: 1.0
+;; Package-Requires: ((emacs "26.1") (org-mode "9"))
 
 ;; 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
@@ -91,7 +92,7 @@
     ))
 
 (defun org-clock-waybar--get-clocked-task-json ()
-  "Get the currently clocked-in task’s data as a stringified JSON object.
+  "Get the currently clocked-in task's data as a stringified JSON object.
 
 The output is in JSON format constructed in a way so Waybar can process it.
 If there is no clocked in task, alt becomes empty and text will be set to the
@@ -118,7 +119,7 @@ value of `org-clock-waybar-not-clocked-in-text'."
     (insert (org-clock-waybar--get-clocked-task-json))
     (write-file org-clock-waybar-filename)))
 
-(defun org-clock-waybar-ouptut-task ()
+(defun org-clock-waybar-output-task ()
   "Output the current task in JSON format Waybar can understand.
 
 This function is ought to be used via Emacsclient: