Tag NonFreeNet on Element apps promoting Scalar

metadata/de.spiritcroc.riotx.yml

@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeNet
 Categories:
   - Internet
   - Phone & SMS
@@ -987,6 +989,9 @@ Builds:
       - cp -r node_modules/jsc-android/dist/org/webkit/android-jsc "$HOME/.m2/repository/org/webkit"
     ndk: r21d
 
+MaintainerNotes: AntiFeature NonFreeNet is added because each chat has a "Add Matrix
+    apps" button which by default links to the proprietary scalar.vector.im service.
+
 AutoUpdateMode: Version sc_v%v
 UpdateCheckMode: Tags
 CurrentVersion: 1.4.16.sc54

metadata/im.vector.app.yml

@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeNet
 Categories:
   - Internet
   - Phone & SMS
@@ -1018,7 +1020,9 @@ Builds:
 
 MaintainerNotes: Do not update unless requested by the Element team! The Element team
     will ping us whenever they feel a new release is ready. See https://github.com/vector-im/element-android/issues/3728
-    as an example of their release process.
+    as an example of their release process. AntiFeature NonFreeNet is added because
+    each chat has a "Add Matrix apps" button which by default links to the proprietary
+    scalar.vector.im service.
 
 AutoUpdateMode: None
 UpdateCheckMode: None