Add photo johanna (#280)

Author: reichenjohanna

_data/team-members.yml

@@ -234,3 +234,12 @@ members:
     photo: /resources/img/chris-kipp.webp
     contact_for: [bloop,metals]
     active: true
+  - member: Johanna
+    name: Johanna Reichen
+    title: Operations Officer & Strategy Advisor
+    email: johanna.reichen@epfl.ch
+    github: reichenjohanna
+    twitter: 
+    photo: /resources/img/johanna.jpeg
+    contact_for: [communication]
+    active: true