feat(ui): add catalogue picker, schedule pane and per-provider hero

beefy_player/theme.tcss

@@ -82,6 +82,17 @@ StationList {
     background: ansi_default;
 }
 
+SchedulePanel {
+    color: ansi_default;
+    width: 1fr;
+    height: 1fr;
+    display: none;
+    border: round ansi_bright_black;
+    border-title-color: ansi_default;
+    padding: 0 1;
+    background: ansi_default;
+}
+
 StagePanel {
     color: ansi_default;
     layout: vertical;
@@ -151,6 +162,16 @@ ModalScreen {
     background: ansi_default;
 }
 
+#providers {
+    color: ansi_default;
+    width: 66;
+    height: auto;
+    border: round ansi_bright_black;
+    border-title-color: ansi_default;
+    padding: 1 2;
+    background: ansi_default;
+}
+
 #help {
     color: ansi_default;
     width: 78;