Showing OpenCollective sponsors (#2061)

[deploy site]

website_and_docs/content/sponsors/_index.html

@@ -15,7 +15,7 @@
 	<h1 class="d-1">Sponsors</h1>
 	<p class="lead mt-3 mb-0">
     The following companies have sponsored the Selenium project. We thank
-    each and every one of them for their generous support.
+    each one of them for their generous support.
 	</p>
 </div>
-{{< /blocks/section >}}
+{{< /blocks/section >}}

website_and_docs/layouts/partials/open-collective-level-sponsors.html

@@ -0,0 +1,7 @@
+<div class="row justify-content-center p-5">
+  <h2 class="selenium text-center">OpenCollective Sponsors</h2>
+</div>
+
+<div class="row justify-content-around pt-4 pb-5 px-5">
+  <script src="https://opencollective.com/selenium/banner.js" data-use-new-format="true"></script>
+</div>

website_and_docs/layouts/sponsors/list.html

@@ -11,6 +11,7 @@
 {{ partial "gold-level-sponsors.html" (dict "Data" $.Site.Data) }}
 {{ partial "silver-level-sponsors.html" (dict "Data" $.Site.Data) }}
 {{ partial "bronze-level-sponsors.html" (dict "Data" $.Site.Data) }}
+{{ partial "open-collective-level-sponsors.html" }}
 
 <div class="row td-box--100 ">
   <div class="card border-0 w-100 bg-transparent p-5">
@@ -24,4 +25,5 @@ <h2 class="card-title">Sponsoring</h2>
   </div>
 </div>
 
+
 {{ end }}