Linux URL matching fixed

URL of timer depends on client OS

Issue #2

TogglLibrary.js

@@ -233,9 +233,9 @@ function TogglButtonGM(selector, renderer) {
     }); 
   }
   
-  
+  const togglTimerUrl = /https:\/\/(?:www\.)toggl\.com\/app\/timer/;
   this.tryDecorateTimer = () => {
-    if (!window.location.href.startsWith("https://toggl.com/app/timer"))
+    if (!togglTimerUrl.test(window.location.href))
       return;
     GM_addStyle("li.entry div.paragon-decoration { width:3em; padding:16px; }");
     waitForElement(document, "#time-entry-list").then(timeEntryList => {