Update 'index.html'

index.html

@@ -239,7 +239,7 @@
 <!-- ///////////////////////// 2019 -2021 ///////////////////-->
 
  <div id='year2021' class='row'>
- <div class='col1'><img src='https://git.xpub.nl/XPUB/project.xpub.nl/raw/branch/master/img/blue_links.png' class='logo'style="width: 95%;"/><p class='gradShow'>blue links</p><p>July 2021</p></div>
+ <div class='col1'><img src='img/logo_indigo_2021.png' class='logo'style="width: 95%;"/><p class='gradShow'>blue links</p><p>July 2021</p></div>
  <!--
  <div class='attch'>
    <p><a href="linkto/attachment1" target='_blank' class="ext">📎 Attachment 1</a></p>