Update hass.io docs

source/_addons/lets_encrypt.markdown

@@ -22,3 +22,13 @@ Configuration variables:
 
 - **email** (*Required*): Your email address for registration on Let's Encrypt.
 - **domains** (*Required*): A list of domains to create/renew the certificate.
+
+## {% linkable_title Home Assistant configuration %}
+
+Use the following configuration in Home Assistant to use the generated certificate:
+
+```yaml
+http:
+  ssl_certificate: /ssl/fullchain.pem
+  ssl_key: /ssl/privkey.pem
+```

source/hassio/installation.markdown

@@ -21,6 +21,10 @@ Hass.io images are available for all available Raspberry Pi and intel nuc platfo
 - Insert SD card to Raspberry Pi and turn it on. On first boot, it downloads the latest version of Home Assistant which can take some time.
 - You will be able to reach your installation at [http://hassio.local][local].
 
+<p class='note'>
+If you copy over your existing Home Assistant configuration, make sure to enable the Hass.io panel by adding either `discovery:` or `hassio:` to your configuration.
+</p>
+
 ### {% linkable_title Alternative: install on generic Linux server %}
 
 For advanced users, it is also possible to try Hass.io on your Linux server or inside a VM. To do so, [follow these instructions][linux].