feat(stage): show Bandcamp link in ON AIR

somafm_tui/widgets/stage.py

@@ -161,7 +161,7 @@ class StageInfo(Widget):
 
         notice = Text(truncate(app.notice, width), style="italic yellow")
 
-        return [
+        details = [
             heading,
             description,
             Text(""),
@@ -170,8 +170,16 @@ class StageInfo(Widget):
             title,
             album,
             meta,
-            notice,
         ]
+        if song is not None and song.bandcamp_url:
+            link = Text(no_wrap=True)
+            link.append(
+                "Bandcamp ↗",
+                style=f"bold cyan link {song.bandcamp_url}",
+            )
+            details.append(link)
+        details.append(notice)
+        return details
 
 
 class HistoryPane(Widget):