Change from travis-ci.org to travis-ci.com (#188)

README.md

@@ -8,8 +8,8 @@
   </p>
   <p>
     <img src="https://img.shields.io/badge/contributions-welcome-orange.svg"/>
-    <a href="https://travis-ci.org/github/ghostfolio/ghostfolio" rel="nofollow">
-      <img src="https://travis-ci.org/ghostfolio/ghostfolio.svg?branch=main" alt="Build Status"/></a>
+    <a href="https://travis-ci.com/github/ghostfolio/ghostfolio" rel="nofollow">
+      <img src="https://travis-ci.com/ghostfolio/ghostfolio.svg?branch=main" alt="Build Status"/></a>
     <a href="https://www.gnu.org/licenses/agpl-3.0" rel="nofollow">
       <img src="https://img.shields.io/badge/License-AGPL%20v3-blue.svg" alt="License: AGPL v3"/></a>
   </p>