feat(schedule): add matchtv schedule

gallery/sketch/schedule/api.py

@@ -0,0 +1,13 @@
+import datetime
+
+from .model import Schedule
+
+
+class ScheduleApi:
+    async def get_channels(self) -> list[str]:
+        raise NotImplementedError
+
+    async def get_channel_schedule(
+        self, channel_id: str, date: datetime.date
+    ) -> Schedule:
+        raise NotImplementedError

gallery/sketch/schedule/model.py

@@ -13,14 +13,14 @@ class Channel(Model):
     name: str
 
 
-class ScheduleItem(Model):
+class ScheduleValue(Model):
     start: datetime.datetime
     end: datetime.datetime
     label: str
-    category: str | None
+    category: str | None = None
 
 
 class Schedule(Model):
     channel: Channel
     date: datetime.date
-    items: list[ScheduleItem]
+    values: list[ScheduleValue]