Api improvements (#15327)

* Organize api files

* Add more API definitions for events

* Add export select by ID

* Typing fixes

* Update openapi spec

* Change type

* Fix test

* Fix message

* Fix tests

frigate/api/defs/response/review_response.py

@@ -0,0 +1,43 @@
+from datetime import datetime
+from typing import Dict
+
+from pydantic import BaseModel, Json
+
+from frigate.review.maintainer import SeverityEnum
+
+
+class ReviewSegmentResponse(BaseModel):
+    id: str
+    camera: str
+    start_time: datetime
+    end_time: datetime
+    has_been_reviewed: bool
+    severity: SeverityEnum
+    thumb_path: str
+    data: Json
+
+
+class Last24HoursReview(BaseModel):
+    reviewed_alert: int
+    reviewed_detection: int
+    total_alert: int
+    total_detection: int
+
+
+class DayReview(BaseModel):
+    day: datetime
+    reviewed_alert: int
+    reviewed_detection: int
+    total_alert: int
+    total_detection: int
+
+
+class ReviewSummaryResponse(BaseModel):
+    last24Hours: Last24HoursReview
+    root: Dict[str, DayReview]
+
+
+class ReviewActivityMotionResponse(BaseModel):
+    start_time: int
+    motion: float
+    camera: str