Add files via upload

backend/app/models.py

@@ -8,6 +8,7 @@ class Project(db.Model):
     name        = db.Column(db.String(200), nullable=False)
     color       = db.Column(db.String(7), nullable=False, default='#C9A84C')
     description = db.Column(db.Text)
+    drive_url   = db.Column(db.String(500))
     created_at  = db.Column(db.DateTime, default=datetime.utcnow)
 
     deliverables = db.relationship(
@@ -21,6 +22,7 @@ class Project(db.Model):
             'name':        self.name,
             'color':       self.color,
             'description': self.description,
+            'drive_url':   self.drive_url,
             'created_at':  self.created_at.isoformat() if self.created_at else None,
         }
         if include_deliverables: