docs: set authors on feature events

Author: ErikBjare

_data/features.yml

@@ -3,10 +3,12 @@
 - title: "Always-count-as-active"
   date: "2022-10-11"
   url: "https://github.com/ActivityWatch/aw-webui/pull/375"
+  author: "@ShootingKing-AM"
 
 - title: "Dark mode"
   date: "2021-10-05"
   url: "https://github.com/ActivityWatch/aw-webui/pull/307"
+  author: "@salahineo"
 
 - title: "Audible-as-active"
   date: "2021-2-28"
@@ -23,10 +25,12 @@
 - title: "Browser watcher visualizations"
   date: "2018-06-20"
   url: "https://github.com/ActivityWatch/aw-webui/pull/83"
+  author: "@johan-bjareholt"
 
 - title: "Editor watcher visualizations"
   date: "2018-06-17"
   url: "https://github.com/ActivityWatch/aw-webui/pull/76"
+  author: "@johan-bjareholt"
 
 - title: "Browser extension released"
   date: "2017-10-9"