feat: Implement project management with new models, repositories, and API endpoints, and enhance character management with project association and DTOs.

models/Project.py

@@ -0,0 +1,12 @@
+from datetime import datetime
+from typing import List, Optional
+from pydantic import BaseModel, Field
+
+class Project(BaseModel):
+    id: Optional[str] = None
+    name: str
+    description: Optional[str] = None
+    owner_id: str
+    members: List[str] = [] # List of User IDs
+    is_deleted: bool = False
+    created_at: datetime = Field(default_factory=datetime.now)