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/event_response.py

@@ -0,0 +1,40 @@
+from typing import Any, Optional
+
+from pydantic import BaseModel
+
+
+class EventResponse(BaseModel):
+    id: str
+    label: str
+    sub_label: Optional[str]
+    camera: str
+    start_time: float
+    end_time: Optional[float]
+    false_positive: bool
+    zones: list[str]
+    thumbnail: str
+    has_clip: bool
+    has_snapshot: bool
+    retain_indefinitely: bool
+    plus_id: Optional[str]
+    model_hash: Optional[str]
+    detector_type: Optional[str]
+    model_type: Optional[str]
+    data: dict[str, Any]
+
+
+class EventCreateResponse(BaseModel):
+    success: bool
+    message: str
+    event_id: str
+
+
+class EventMultiDeleteResponse(BaseModel):
+    success: bool
+    deleted_events: list[str]
+    not_found_events: list[str]
+
+
+class EventUploadPlusResponse(BaseModel):
+    success: bool
+    plus_id: str