title: System.IO.FileNotFoundException In ConfigurationBuilder Constructor
body: <p>I'm trying add the ConfigurationBuilder in an .net core console application
  I'm getting this exception when running the code below.
  I checked and in the <code>Directory.GetCurrentDirectory()</code> the file appsettings.json is present.</p>
  
  <pre>
  System.IO.FileNotFoundException
    HResult=0x80070002
    Message=Could not load file or assembly 'Microsoft.Extensions.FileProviders.Physical, Version=2.2.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The system cannot find the file specified.
    Source=Microsoft.Extensions.Configuration.FileExtensions
    StackTrace:
     at Microsoft.Extensions.Configuration.FileConfigurationExtensions.SetBasePath(IConfigurationBuilder builder, String basePath)
     at DashboardService.Program.Main(String[] args)
  </pre>
  
  <pre><code>var builder = new ConfigurationBuilder()
      .SetBasePath(Directory.GetCurrentDirectory())
      .AddJsonFile("appsettings.json");
  </code></pre>