feat: add MarkArea type

freqtrade/ft_types/__init__.py

@@ -5,4 +5,5 @@ from freqtrade.ft_types.backtest_result_type import (
     BacktestResultType,
     get_BacktestResultType_default,
 )
+from freqtrade.ft_types.plot_annotation_type import MarkArea
 from freqtrade.ft_types.valid_exchanges_type import ValidExchangesType

freqtrade/ft_types/plot_annotation_type.py

@@ -0,0 +1,12 @@
+from datetime import datetime
+
+from typing_extensions import NotRequired, TypedDict
+
+
+class MarkArea(TypedDict):
+    start: NotRequired[str | datetime]
+    end: NotRequired[str | datetime]
+    y_start: NotRequired[float]
+    y_end: NotRequired[float]
+    color: NotRequired[str]
+    label: NotRequired[str]