feat: adds past summits page

Author: andrea-kyurchiev

assets/scss/_custom.scss

@@ -314,4 +314,8 @@ button.svelte-la9dd4:disabled {
 
 .content .nav-item::before {
     background: none;
+}
+
+.primary-link {
+    color: white !important;
 }

content/en/events/past-summits.md

@@ -1,4 +1,54 @@
 ---
-layout: page
 title: "Past Summits"
+type: page
 ---
+<div class="row">
+    <div class="col-lg-4 col-sm-6 mb-5 event-card">
+        <div class="card border-0 h-100">
+            <div class="h-md-45">
+                <a class="primary-link" href="https://innersourcecommons.org/events/isc-2023/">
+                    <img src="/images/events/Summit2023.jpg" alt="InnerSource Summit 2023" class="card-img rounded-lg">
+                </a>
+                </div>
+                <div class="card-body p-0 d-flex flex-column">
+                <h3><a href="https://innersourcecommons.org/events/isc-2023/" class="post-title">InnerSource Summit 2023</a></h3>
+                <p class="card-text event-card-text">Registrations are Now Open 15th & 16th November 2023 - online Join us at the world’s leading gathering of InnerSource practitioners.</p>
+                <div class="d-flex mt-auto flex-md-row flex-sm-column">
+                    <a href="https://innersourcecommons.org/events/isc-2023/" class="btn btn-primary primary-link btn-sm mr-md-1">Open Event</a>
+                </div>
+            </div>
+        </div>
+    </div>
+     <div class="col-lg-4 col-sm-6 mb-5 event-card">
+        <div class="card border-0 h-100">
+            <div class="h-md-45">
+                <a class="primary-link" href="https://innersourcecommons.org/events/isc-2022/">
+                    <img src="/images/events/isc-2022.jpg" alt="InnerSource Summit 2022" class="card-img rounded-lg">
+                </a>
+                </div>
+                <div class="card-body p-0 d-flex flex-column">
+                <h3><a href="https://innersourcecommons.org/events/isc-2022/" class="post-title">InnerSource Summit 2022</a></h3>
+                <p class="card-text event-card-text">Registrations are Now Open 16th & 17th November 2022 - online Join us at the world’s leading gathering of InnerSource practitioners.</p>
+                <div class="d-flex mt-auto flex-md-row flex-sm-column">
+                    <a href="https://innersourcecommons.org/events/isc-2022/" class="btn btn-primary primary-link btn-sm mr-md-1">Open Event</a>
+                </div>
+            </div>
+        </div>
+    </div>
+     <div class="col-lg-4 col-sm-6 mb-5 event-card">
+        <div class="card border-0 h-100">
+            <div class="h-md-45">
+                <a class="primary-link" href="https://innersourcecommons.org/events/isc-2021/">
+                    <img src="/images/events/Summit2021.JPG" alt="InnerSource Summit 2021" class="card-img rounded-lg">
+                </a>
+                </div>
+                <div class="card-body p-0 d-flex flex-column">
+                <h3><a href="https://innersourcecommons.org/events/isc-2021/" class="post-title">InnerSource Summit 2021</a></h3>
+                <p class="card-text event-card-text">17th and 18th November 2021, online Get your ticket now! Join us at the world’s largest InnerSource Conference!</p>
+                <div class="d-flex mt-auto flex-md-row flex-sm-column">
+                    <a href="https://innersourcecommons.org/events/isc-2021/" class="btn btn-primary primary-link btn-sm mr-md-1">Open Event</a>
+                </div>
+            </div>
+        </div>
+    </div>
+</div<