chore: move to updated cdn url

src/presentations/index.html

@@ -23,7 +23,7 @@
 <body>
     <nav></nav>
     <div class="content">
-        <img src="https://static.janishutz.com/logo.jpg" alt="Logo" class="project-logo">
+        <img src="https://cdn.janishutz.com/logo.jpg" alt="Logo" class="project-logo">
         <h1 class="title">Presentations</h1>
         <p style="text-align: center; margin-bottom: 5%;">Here you can view all my public presentations. There is
             also a link to my private presentations, for which you need a username and password.</p>