initial structure implemented

docs -> _docs

models/images/image_metadata.py

@@ -0,0 +1,13 @@
+from datetime import datetime
+from typing import Optional
+from pydantic import BaseModel
+
+
+class ImageMetadata(BaseModel):
+    sequence: int
+    filename: str
+    dimensions: tuple[int, int]
+    file_size: int
+    timestamp: datetime
+    exif_data: Optional[dict] = None
+