Update README.md (#1515)

README.md

@@ -34,11 +34,17 @@ The goal of Mushroom is not to provide custom card for deep customization. You c
 
 Mushroom is available in [HACS][hacs] (Home Assistant Community Store).
 
+Use this link to directly go to the repository in HACS
+
+[![Open your Home Assistant instance and open a repository inside the Home Assistant Community Store.](https://my.home-assistant.io/badges/hacs_repository.svg)](https://my.home-assistant.io/redirect/hacs_repository/?owner=piitaya&repository=lovelace-mushroom)
+
+_or_
+
 1. Install HACS if you don't have it already
 2. Open HACS in Home Assistant
-3. Go to "Frontend" section
-4. Click button with "+" icon
-5. Search for "Mushroom"
+3. Search for "Mushroom"
+4. Click the download button. ⬇️
+
 
 ### Manual