title: Add text to Switch formcontrol and change it in toggle using material ui
body: <p>I am using Material UI's Switch component and I want to add text inside it. Also I need to make it square in shape.</p>
  
  <p>How to I add text inside the Switch component. It should say on when selected and off when default. I am using Material UI's Switch inside Formcontrol in reactjs form.</p>
  
  <pre><code>&lt;FormControlLabel 
    label="Private ? "
    labelPlacement="start"
    control={
      &lt;Switch
         checked={this.state.checked}
         onChange={this.handleChange}
         color='primary'
      /&gt;
    } 
  /&gt;
  </code></pre>