Update pictures.json

content/board.json

@@ -6,7 +6,7 @@
       "en": "President"
     },
     "image": "/images/board/johanna.jpg",
-    "mail": "praesidium@thealternative.ch"
+    "mail": "johanna.polzin@thealternative.ch"
   },
   {
     "name": "Fadri Lardon",
@@ -77,7 +77,7 @@
       "de": "Vorstandsmitglied",
       "en": "Board Member"
     },
-    "image": "/images/board/placeholder.png",
+    "image": "/images/board/jannis.jpg",
     "mail": "jannis.piekarek@thealternative.ch"
   },
   {
@@ -122,7 +122,7 @@
       "de": "Aktives Mitglied",
       "en": "Active Member"
     },
-    "image": "/images/board/placeholder.png",
+    "image": "/images/board/mikail.jpg",
     "mail": "mikail.gedik@thealternative.ch"
   },
   {