feat(speakers): add speaker wall for Austin (#14981)

Signed-off-by: Laura Santamaria <nimbinatus@users.noreply.github.com>
Co-authored-by: Jeremy Meiss <jeremy.meiss@gmail.com>

Author: nimbinatus

content/events/2025-austin/speakers.md

@@ -0,0 +1,63 @@
++++
+Title = "Speakers"
+Type = "speakers"
+Description = "Meet our speakers for DevOpsDays Austin 2025"
++++
+
+
+<h2>Review some of the talks from these speakers as we finalize details!</h2>
+<h3><a href="https://talks.devopsdays.org/devopsdays-austin-2025/featured/">Explore the featured talks here.</a></h3>
+<div id="speakers" class="row"></div>
+<noscript>
+<div class="pretalx-widget">
+        <div class="pretalx-widget-info-message">
+            JavaScript is disabled in your browser. To access our speaker list without JavaScript,
+            please <a target="_blank" href="https://talks.devopsdays.org/devopsdays-austin-2025/speakers/">click here</a>.
+        </div>
+    </div>
+</noscript>
+
+<script>
+    const ul = document.getElementById('speakers');
+    const list = document.createDocumentFragment();
+    const url = 'https://talks.devopsdays.org/api/events/devopsdays-austin-2025/speakers/?limit=50';
+
+    fetch(url)
+        .then((response) => {
+            return response.json();
+        })
+        .then((data) => {
+            let speakers = data.results;
+
+            speakers.map(function(speaker) {
+                let li = document.createElement('div');
+                li.className = `col-lg-3 col-md-6 p-3`;
+                let name = document.createElement('h3');
+                let pic = document.createElement('img');
+                let bio = document.createElement('details');
+                bio.className = `p-1`;
+                //let talk = document.createElement('a');
+
+                name.innerHTML = `${speaker.name}`;
+                pic.src = speaker.avatar.length != 0 ? `${speaker.avatar}`: '/img/speaker-default.jpg';
+                pic.className = `speakers-page`;
+                bio.innerHTML = `<summary><b>About ${speaker.name}</b></summary><p>${speaker.biography ? `${speaker.biography}`: `Ipsum`}</p>`;
+                //talk.setAttribute('href', speaker.submissions[0] ? `https://talks.devopsdays.org/devopsdays-austin-2025/talk/${speaker.submissions[0]}` : ``);
+                //talk.setAttribute('target', '_blank');
+                //talk.className = `btn btn-primary`;
+                //talk.innerHTML = `Link to talk`;
+
+                li.appendChild(name);
+                li.appendChild(pic);
+                li.appendChild(bio);
+                //li.appendChild(talk);
+                list.appendChild(li);
+            });
+        })
+        .catch(function(error) {
+            console.log(error);
+        })
+        .finally(() => {
+            ul.appendChild(list);
+        });
+</script>

data/events/2025/austin/main.yml

@@ -41,7 +41,7 @@ nav_elements: # List of pages you want to show up in the navigation of your page
   - name: register
     url: https://tickets.devopsdays.org/devopsdays-austin/2025/
  # - name: program
- # - name: speakers
+  - name: speakers
   - name: sponsor
   - name: contact
   - name: conduct