add Darja to Ambassadors page (#1622)

and for Seth use photo not drawing

Author: SethTisue

Diff for: _data/ambassadors.yml

@@ -23,6 +23,14 @@
   linkedin: https://www.linkedin.com/groups/9545608/
   meetup: https://www.meetup.com/es-ES/big-data-e-inteligencia-artificial-galicia/
 
+- name: Darja Jovanovic
+  description: Scala Center executive director, Scala events organiser (Scala Days, Scala sprees, more), Scala governance project lead. People person 🙂
+  image: /ambassadors/darja.jpg
+  city: Lausanne, Switzerland
+  discord: darjutak
+  github: darjutak
+  linkedin: https://www.linkedin.com/in/darjajovanovic/
+
 - name: Salar Rahmanian
   description: Scala developer and enthusiast. I also organize Scala events around San Francisco Bay Area, California.
   image: https://avatars.githubusercontent.com/u/3371635
@@ -42,7 +50,7 @@
 
 - name: Seth Tisue
   description: Scala Discord moderator, Scala 2 compiler team member (at <a href="https://www.lightbend.com">Lightbend</a>). Also work on Scala 3, Scala websites, more. Based in Reno, but visit SF Bay Area often.
-  image: https://avatars.githubusercontent.com/u/161079
+  image: /ambassadors/seth.jpg
   city: Reno, Nevada, USA
   discord: SethTisue
   github: SethTisue

Diff for: ambassadors/darja.jpg

@@ -98,3 +98,4 @@ <h3 style="text-align: center;">Ambassadors</h3>
     </div>
   </div>
 </main>
+