Add feature flag

libraries/featureflag/api/src/main/kotlin/io/element/android/libraries/featureflag/api/FeatureFlags.kt

@@ -32,4 +32,8 @@ enum class FeatureFlags(
         description = "Render poll events in the timeline",
         defaultValue = false,
     )
+    NotificationSettings(
+        key = "feature.notificationsettings",
+        title = "Show notification settings",
+    )
 }

libraries/featureflag/impl/src/main/kotlin/io/element/android/libraries/featureflag/impl/BuildtimeFeatureFlagProvider.kt

@@ -31,6 +31,7 @@ class BuildtimeFeatureFlagProvider @Inject constructor() :
             when (feature) {
                 FeatureFlags.LocationSharing -> true
                 FeatureFlags.Polls -> false
+                FeatureFlags.NotificationSettings -> false
             }
         } else {
             false