Link to issue blinksh#38

Add a small blurb linking to issue blinksh#38 next to the mention of Chrome's Secure Shell extension.

README.md

@@ -2,7 +2,7 @@
 
 With [Blink Shell](http://www.blink.sh) you can have your terminal, your way. We know how important it is for you to have your color scheme and the font that you feel comfortable looking at all day. And don't forget to send us your PR to share them with others too!
 
-[Blink Shell](http://www.blink.sh) uses [Chromium's HTerm](https://chromium.googlesource.com/apps/libapps/+/HEAD/hterm) under the hood. This means our themes are also compatible with [Chrome's Secure Shell](https://chrome.google.com/webstore/detail/secure-shell/pnhechapfaindjhompbnflcldabbghjo)
+[Blink Shell](http://www.blink.sh) uses [Chromium's HTerm](https://chromium.googlesource.com/apps/libapps/+/HEAD/hterm) under the hood. This means our themes are also compatible with [Chrome's Secure Shell](https://chrome.google.com/webstore/detail/secure-shell/pnhechapfaindjhompbnflcldabbghjo). For information about using our themes on the Chrome Secure Shell extension, see [issue #38](https://github.com/blinksh/themes/issues/38).
 
 To install them on Blink, just paste the URL of the JS theme under Appearance -> Themes -> New Theme. If you would like to learn how to create your own, [continue reading!](https://github.com/blinksh/blink/blob/raw/Resources/FontsAndThemes.md)