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

beefy_player/providers/somafm/hero.py

@@ -0,0 +1,20 @@
+"""SomaFM's header hero: the block-letter wordmark and the three lines beside it.
+
+The glyphs are plain half-blocks; the header paints them with the app's
+spectrum gradient (``hero_gradient``), so the logo takes on the terminal's own
+colours instead of carrying RGB values around.
+"""
+
+from __future__ import annotations
+
+LOGO: tuple[str, ...] = (
+    "▄▀▀▀ ▄▀▀▄ █▄ ▄█ ▄▀▀▄",
+    "▀▀▀▄ █  █ █ █ █ █▀▀█",
+    "▄▄▄▀ ▀▄▄▀ █   █ █  █",
+)
+
+TAGLINES: tuple[str, ...] = (
+    "SOMA FM RADIO",
+    "LISTENER SUPPORTED",
+    "SAN FRANCISCO",
+)