docs: add badge

Author: vafanassieff

README.md

@@ -1,7 +1,22 @@
-# Umbrel App
+# LN Markets Umbrel App
+
+<p align="center">
+  <a href="https://github.com/ln-markets/umbrel/releases" alt="Build">
+    <img src="https://img.shields.io/github/workflow/status/ln-markets/umbrel/build" />
+  </a>
+  <a href="https://github.com/ln-markets/umbrel/releases" alt="Release">
+    <img src="https://img.shields.io/github/v/release/ln-markets/umbrel" />
+  </a>
+  <a href="https://twitter.com/LNMarkets">
+    <img src="https://img.shields.io/twitter/follow/LNMarkets?style=social"
+        alt="Follow us on Twitter">
+  </a>
+</p>
 
 As a regular user you must use the official integrated application through [Umbrel](https://github.com/getumbrel/umbrel). This way you could switch between mainnet and testnet network.
 
 ![Umbrel](https://user-images.githubusercontent.com/45034541/140373859-66b7fa6d-5eeb-4fc5-8608-d139e8677267.png)
 
+You can find the information about how to build an app for Umbrel [here](https://github.com/getumbrel/umbrel/tree/b768bcf9e90e51cb6cc13ddb8a8a2a905ac2017b/apps)
+
 If you really want to tinker with this app, read [this](https://github.com/ln-markets/umbrel/tree/master/dev/README.md) to know how to setup your env properly.