Update Expo

docs/_data/expo.json

@@ -1,5 +1,11 @@
 {
   "by_id": {
+    "mullvad": {
+      "name": "mullvad",
+      "url": "https://mullvad.net/",
+      "highlighted": true,
+      "date": "6 Jan 2021"
+    },
     "klevgrand": {
       "name": "klevgrand",
       "url": "https://klevgrand.com/products/kleverb",
@@ -412,6 +418,7 @@
   "lists": {
     "home": ["signal", "getbedtimestories", "counternetwork", "Gustav"],
     "expo": [
+      "mullvad",
       "klevgrand",
       "starbucks-concept",
       "signal",