fixed OAuth Issues with Identity, added multiple database support, minor issue fixes

Author: morrisjdev

AspNetOAuth/Areas/Identity/Pages/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "/Pages/Shared/_Layout.cshtml";
+}

AspNetOAuth/AspNetOAuth.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <UserSecretsId>aspnet-AspNetOAuth-904345F3-FDD8-409D-A758-41152F5B664D</UserSecretsId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.All" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.0" PrivateAssets="All" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FileContextCore\FileContextCore.csproj" />
+  </ItemGroup>
+
+</Project>

AspNetOAuth/Data/ApplicationDbContext.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+
+namespace AspNetOAuth.Data
+{
+    public class ApplicationDbContext : IdentityDbContext
+    {
+        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
+            : base(options)
+        {
+        }
+    }
+}