Try adding EF

Controllers/HomeController.cs

@@ -1,5 +1,6 @@
 using System.Linq;
 using System.Threading.Tasks;
+using HelloMvc.Data;
 using Microsoft.AspNetCore.Mvc;
 using Octokit;
 
@@ -8,10 +9,12 @@ namespace HelloMvc
     public class HomeController : Controller
     {
         private readonly ApiConnection _apiConnection;
+        private readonly ApplicationDbContext _dbContext;
 
-        public HomeController(ApiConnection apiConnection)
+        public HomeController(ApiConnection apiConnection, ApplicationDbContext dbContext)
         {
             _apiConnection = apiConnection;
+            _dbContext = dbContext;
         }
 
         public async Task<IActionResult> Index()

Data/ApplicationDbContext.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using HelloMvc.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace HelloMvc.Data
+{
+    public class ApplicationDbContext : DbContext
+    {
+        public DbSet<Issue> Issues { get; set; }
+
+        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
+            : base(options)
+        {
+        }
+
+        protected override void OnModelCreating(ModelBuilder builder)
+        {
+            base.OnModelCreating(builder);
+            // Customize the ASP.NET Identity model and override the defaults if needed.
+            // For example, you can rename the ASP.NET Identity table names and more.
+            // Add your customizations after calling base.OnModelCreating(builder);
+        }
+    }
+}

Models/Issue.cs

@@ -0,0 +1,12 @@
+namespace HelloMvc.Models
+{
+    public class Issue
+    {
+        public int GitHubIssueNumber { get; set; }
+        public string Title { get; set; }
+        public string HtmlUrl { get; set; }
+        public string Milestone { get; set; }
+        public int? Priority { get; set; }
+        public int? StoryPoints { get; set; }
+    }
+}

NuGet.Config

@@ -2,6 +2,7 @@
 <configuration>
   <packageSources>
     <clear />
+    <add key="DotNetCore" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json"/>
     <add key="AspNetCI" value="https://www.myget.org/F/aspnetcidev/api/v3/index.json" />
     <add key="NuGet.org" value="https://api.nuget.org/v3/index.json" />
   </packageSources>

Startup.cs

@@ -1,6 +1,8 @@
+using HelloMvc.Data;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
@@ -33,6 +35,9 @@ public Startup(IHostingEnvironment env)
 
         public void ConfigureServices(IServiceCollection services)
         {
+            services.AddDbContext<ApplicationDbContext>(options =>
+                options.UseSqlite(Configuration.GetConnectionString("DefaultConnection")));
+
             services.AddMvc();
 
             services.AddSingleton<ApiConnection, ApiConnection>(_ =>

appsettings.json

@@ -1,10 +1,13 @@
 {
-  "Logging": {
-    "IncludeScopes": false,
-    "LogLevel": {
-      "Default": "Debug",
-      "System": "Information",
-      "Microsoft": "Information"
+    "ConnectionStrings": {
+        "DefaultConnection": "Data Source=appdata.db"
+    },
+    "Logging": {
+        "IncludeScopes": false,
+        "LogLevel": {
+            "Default": "Debug",
+            "System": "Information",
+            "Microsoft": "Information"
+        }
     }
-  }
 }

project.json

@@ -16,27 +16,48 @@
         "Microsoft.Extensions.Logging": "1.0.0-*",
         "Microsoft.Extensions.Logging.Console": "1.0.0-*",
         "Microsoft.Extensions.Logging.Debug": "1.0.0-*",
-        "Microsoft.NETCore.App": {
-            "type": "platform",
-            "version": "1.0.0-rc2-24008"
-        },
         "Microsoft.Extensions.Configuration.FileProviderExtensions": "1.0.0-*",
         "Octokit": "0.19.0",
-        "Microsoft.Net.Http": "2.2.29"
+        "Microsoft.Net.Http": "2.2.29",
+        "Microsoft.EntityFrameworkCore.Sqlite": "1.0.0-*",
+        "Microsoft.EntityFrameworkCore.Sqlite.Design": { "version": "1.0.0-*", "type": "build" },
+        "Microsoft.EntityFrameworkCore.Tools": { "version": "1.0.0-*", "type": "build" }
     },
 
     "frameworks": {
         "netcoreapp1.0": {
             "imports": [
-                "netcore45",
-                "dotnet5.4"
-            ]
+                "dnxcore50",
+                "portable-net452+win81"
+            ],
+            "dependencies": {
+                "Microsoft.NETCore.App": {
+                    "type": "platform",
+                    "version": "1.0.0-rc2-24022"
+                }
+            }
         }
     },
 
     "tools": {
-        "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-*",
-        "dotnet-razor-tooling": "1.0.0-*"
+        "dotnet-aspnet-codegenerator": {
+            "version": "1.0.0-*",
+            "imports": [
+                "dnxcore50",
+                "portable-net452+win81"
+            ]
+        },
+        "Microsoft.EntityFrameworkCore.Tools":{
+            "version": "1.0.0-*",
+            "imports": "portable-net452+win81"
+        },
+        "dotnet-razor-tooling": {
+            "version": "1.0.0-*",
+            "imports": [
+                "dnxcore50",
+                "portable-net452+win81"
+            ]
+        }
     },
 
     "content": [