Enhance README with Crow Watch details

Added information about Crow Watch community and its features.

Author: antonmedv

README.md

@@ -8,6 +8,16 @@ A _minimalist_ text editor that lives entirely in your browser and stores everyt
   </a>
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+<hr>
+<p>
+  <a href="https://crow.watch"><img align="left" src="https://crow.watch/static/logo-rounded.png" alt="Crow Watch" width="140" height="140"></a>
+  <h3>Crow Watch</h3>
+  A computing-focused community.
+</p>
+<p>Join at <strong><a href="https://crow.watch/join/textarea">crow.watch/join/textarea</a></strong></p>
+<p>Share great links, cool code, and new tools.</p>
+<hr>
+
 ## Features
 
 - 🗜️ **Compression** – Your text gets compressed with deflate