title: How to add migration in .NET Core Library project in web API core 1.1
body: <p>I am new in .net core. I am adding migration in .net core Liabrary project in web API core 1.1. using below code.</p>
  
  <pre><code>Add-Migration example1
  </code></pre>
  
  <p>But it's showing below error:<a href="https://i.stack.imgur.com/kOhML.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kOhML.png" alt="enter image description here"></a></p>