Merge pull request #14 from codebymini/qr-code

Add qr code documentation

Author: marionbarker

docs/setup/img/export-settings.png

@@ -30,6 +30,11 @@ Tap on the Gear/Settings Icon (⚙️) in the tab bar to get to the Settings scr
 
 - - -
 
+!!! note "Setting up a second device"
+    With version 4.0 and newer, You can set up a second device by scanning a QR code from another LoopFollow user. See this section [Import from QR Code](#import-from-qr-code).
+
+- - -
+
 ### Settings Screen
 
 The full lists of Settings is shown in the composite graphic below.
@@ -129,6 +134,25 @@ Once you’ve configured your settings, your Main screen will look as beautiful
 
 🚧 Documentation Under Construction 🚧
 
+#### Import from QR Code
+
+When setting up LoopFollow for another caregiver that will use the same nightscout and remote control capabilities, you can scan a QR code from the other phone to get the settings for Nightscout URL, Token and all remote settings.
+
+If you already setup Nightscout and want to share the remote commands capabilities, read this section [Export Remote Settings with QR Code](#export-remote-settings-with-qr-code).
+
+With a device that does not have a Nightscout address set, there will be a button in Settings named Import Settings.
+
+![Import settings](img/import-settings.png){width="300"}
+{align="center"}
+
+Clicking that will take you to the remote screen where you can use the button Import Remote Settings from QR Code.
+
+Use the Camera to scan a QR Code from the other phone.
+
+This will populate the Nightscout URL, token and remote settings.
+
+
+
 ### Background Refresh Settings
 
 🚧 Documentation Under Construction 🚧
@@ -167,6 +191,18 @@ See [Toolbar Tab Settings](lf-features.md#toolbar-tab-customization){: target="_
 
 🚧 Documentation Under Construction 🚧
 
+#### Export Remote Settings with QR Code
+
+To share your remote settings with another device, see the [Import from QR Code](#import-from-qr-code) section.
+
+To show the QR Code, go into Remote settings and click the button Export Remote Settings as QR Code and the QR code will show on screen
+
+![Export settings](img/export-settings.png){width="300"}
+{align="center"}
+
+!!! important "QR Code Contains Secret Information"
+    Never share your QR code as a screenshot online or send it to someone that is not supposed to have access to remote capabilities for your looper. If in doubt revoke access to the key at [https://developer.apple.com/account/resources/authkeys/list](https://developer.apple.com/account/resources/authkeys/list)
+
 ### Alarms
 
 🚧 Documentation Under Construction 🚧