title: change config file after deploy
body: <p>my app reading some values from <code>app.config</code>. I don't want to compile app each time I want to change these values and for that I set <code>Copy always</code> for config file. </p>
  
  <p>After publishing app I'm getting <code>Application Files</code> folder and inside is <code>appname.exe.config.deploy</code> file, so I tried to change it's values from</p>
  
  <p><code>&lt;add key="dumyname" value="123" /&gt;</code></p>
  
  <p>to</p>
  
  <p><code>&lt;add key="dumyname" value="123123" /&gt;</code> </p>
  
  <p>but when I execute that application it isn't changed (application is writing that value somewhere)</p>
  
  <p>What can I do?</p>
  
  <p>I can't even find where my app is installed</p>