site-pi/SitePi/AppContext.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using SitePi.Models;

namespace SitePi
{
    public class AppContext : DbContext
    {
        public DbSet<User> Users { get; set; }
        public DbSet<Quiz> Quizzes { get; set; }
        public DbSet<Question> Questions { get; set; }
        public DbSet<Choice> Choices { get; set; }
        public DbSet<Bot> Bots { get; set; }
        public DbSet<Profile> Profiles { get; set; }

        public AppContext(DbContextOptions o) : base(o)
        {

        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
        }
    }
}