fix+feat(everything): lot of things

backend/models/event.py

@@ -1,4 +1,4 @@
-from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Text, Enum as SQLEnum, Float
+from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Text, Enum as SQLEnum, Float, Boolean
 from sqlalchemy.orm import relationship
 from datetime import datetime
 import enum
@@ -23,6 +23,7 @@ class Event(Base):
     end_date = Column(DateTime)
     creator_id = Column(Integer, ForeignKey("users.id"), nullable=False)
     cover_image = Column(String)
+    is_private = Column(Boolean, default=False)  # Événement privé ou public
     created_at = Column(DateTime, default=datetime.utcnow)
     updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)