add launcher compatibility note to transparent bg toggle

app/src/main/java/space/darkest/nova/android/ui/SettingsScreen.kt

@@ -251,7 +251,7 @@ private fun ClockSettingsSheet(onDismiss: () -> Unit) {
                         style = MaterialTheme.typography.bodyLarge,
                     )
                     Text(
-                        text = "Remove the widget background",
+                        text = "Remove the widget background. May not work on all launchers. Re-add the widget after changing.",
                         style = MaterialTheme.typography.bodySmall,
                         color = MaterialTheme.colorScheme.onSurfaceVariant,
                     )

app/src/main/res/layout/clock_widget_loading.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@android:color/transparent" />

app/src/main/res/xml/clock_widget_info.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
     android:description="@string/clock_widget_description"
-    android:initialLayout="@layout/glance_default_loading_layout"
+    android:initialLayout="@layout/clock_widget_loading"
     android:minWidth="180dp"
     android:minHeight="110dp"
     android:minResizeWidth="110dp"
@@ -13,4 +13,5 @@
     android:targetCellHeight="2"
     android:updatePeriodMillis="60000"
     android:previewLayout="@layout/clock_widget_preview"
-    android:widgetCategory="home_screen" />
+    android:widgetCategory="home_screen"
+    android:widgetFeatures="reconfigurable|configuration_optional" />