Split config.py into multiple files (#14038)

* Replace logging.warn with logging.warning

* Install config global state early

* Split config.py into more manageable pieces

frigate/config/ui.py

@@ -0,0 +1,37 @@
+from enum import Enum
+from typing import Optional
+
+from pydantic import Field
+
+from .base import FrigateBaseModel
+
+__all__ = ["TimeFormatEnum", "DateTimeStyleEnum", "UIConfig"]
+
+
+class TimeFormatEnum(str, Enum):
+    browser = "browser"
+    hours12 = "12hour"
+    hours24 = "24hour"
+
+
+class DateTimeStyleEnum(str, Enum):
+    full = "full"
+    long = "long"
+    medium = "medium"
+    short = "short"
+
+
+class UIConfig(FrigateBaseModel):
+    timezone: Optional[str] = Field(default=None, title="Override UI timezone.")
+    time_format: TimeFormatEnum = Field(
+        default=TimeFormatEnum.browser, title="Override UI time format."
+    )
+    date_style: DateTimeStyleEnum = Field(
+        default=DateTimeStyleEnum.short, title="Override UI dateStyle."
+    )
+    time_style: DateTimeStyleEnum = Field(
+        default=DateTimeStyleEnum.medium, title="Override UI timeStyle."
+    )
+    strftime_fmt: Optional[str] = Field(
+        default=None, title="Override date and time format using strftime syntax."
+    )