Fix links

Author: azat

index.html

@@ -21,7 +21,7 @@
       <nav class="navbar bg-body-tertiary">
          <div class="container-fluid">
            <a class="navbar-brand" href="index.html">
-             <img src= "images\libevent3.png" alt="libevent" width="90" height="auto" class="d-inline-block align-text-top">
+             <img src= "images/libevent3.png" alt="libevent" width="90" height="auto" class="d-inline-block align-text-top">
            </a>
            <span class="navbar-text">
             An Event Notification Library