Merge branch 'feature-theme' into 'develop'

custom block theme

See merge request manzarH/dic-global-dev!692

themes/custom/envigo/templates/block/block--social-link.html.twig

+<div class="col-md-12 text-center">
+    <ul class="f_si_cb ">
+        <li><a href="https://www.linkedin.com/company/dic-india-limited?originalSubdomain=in" target="_blank"><i class="fa fa-linkedin" aria-hidden="true"></i></a></li>
+        <li><a href="https://www.facebook.com/DICIndia/" target="_blank"><i class="fa fa-facebook" aria-hidden="true"></i></a></li>
+        <li><a href="https://twitter.com/dic_india" target="_blank"><i class="fa fa-twitter" aria-hidden="true"></i></a></li>
+        <li><a href="https://www.youtube.com/channel/UCWsGahRt7OrGB4oF2gBeIBg/videos" target="_blank"><i class="fa fa-youtube" aria-hidden="true"></i></a></li>
+     </ul>
+</div>
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