title: How do I open a markdown file in a BrowserWindow (Electron)?
body: <p>I am trying to extend an Electron-project.
  I have a new BrowserWindow (basicly a new tab in a browser) which should contain the Documention. The Documentation is written in markdown so I´s like to know how to open my markdown file in this BrowserWindow...</p>
  
  <p>Basicly I just need a way to convert a markdownfile on runtime to a webpage.</p>