Add Model and configuration for Data

Model/DataContext.cs

@@ -0,0 +1,15 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace HabraQuest.Model
+{
+    public class DataContext : DbContext
+    {
+        public DataContext(DbContextOptions<DataContext> options)
+            : base(options)
+        {
+        }
+
+
+        public DbSet<Player> Players { get; set; }
+    }
+}

Model/Player.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace HabraQuest.Model
+{
+    public class Player
+    {
+        public int Id { get; set; }
+        public Guid Token { get; set; }
+        public int TaskNumber { get; set; }
+        public string Name { get; set; }
+        public string Comment { get; set; }
+    }
+}

Startup.cs

@@ -1,23 +1,38 @@
-using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
-using System.Threading.Tasks;
+using HabraQuest.Model;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.SpaServices.Webpack;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json.Serialization;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+
 
 namespace HabraQuest
 {
     public class Startup
     {
+        public Startup(IHostingEnvironment env)
+        {
+            var builder = new ConfigurationBuilder()
+                .SetBasePath(env.ContentRootPath)
+                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
+                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true);
+
+            builder.AddEnvironmentVariables();
+            Configuration = builder.Build();
+        }
+
+        public IConfigurationRoot Configuration { get; }
+
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
+            services.AddDbContext<DataContext>(options =>
+                options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));
+
             services.AddMvc().AddJsonOptions(options =>
             {
                 options.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();

appsettings.json

@@ -1,4 +1,7 @@
 {
+  "ConnectionStrings": {
+    "DefaultConnection": "Server=(localdb)\\mssqllocaldb;Database=aspnet-HabraQuest;Trusted_Connection=True;MultipleActiveResultSets=true"
+  },
   "Logging": {
     "IncludeScopes": false,
     "LogLevel": {