fix typo in logo url

index.html

@@ -77,7 +77,7 @@
 
     <nav id="main-nav" class="navbar navbar-expand-lg navbar-light rounded">
         <div class="container">
-            <img src="img/logo.svgv1.1" width="30" height="30" class="d-inline-block align-top" alt="">
+            <img src="img/logo.svg?v1.1" width="30" height="30" class="d-inline-block align-top" alt="">
             <ul class="navbar-nav mr-auto">
                 <li class="nav-item">
                     <a class="nav-item nav-link" href="#installation">Installation</a>