Upgaded Angular Tour of Heroes to .Net Core 2.1

Author: JocaPC

samples/features/json/angularjs/dotnet-tour-of-heroes/appsettings.json

@@ -8,6 +8,6 @@
     }
   },
   "ConnectionStrings": {
-    "HeroDb": "Server=.\\SQLEXPRESS;Database=HeroDb;Integrated Security=true"
+    "HeroDb": "Server=.;Database=HeroDb;Integrated Security=true"
   }
 }

samples/features/json/angularjs/dotnet-tour-of-heroes/dotnet-tour-of-heroes.csproj

@@ -1,12 +1,11 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.0;net46</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1;net46</TargetFrameworks>
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <AssemblyName>dotnet-tour-of-heroes</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>dotnet-tour-of-heroes</PackageId>
-    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.4</RuntimeFrameworkVersion>
   </PropertyGroup>
 
   <ItemGroup>