Nokia: Add Official twrp support for Nokia 7.1

Change-Id: Ibe02108b26c3a91aa9dcd3cd1c5066f38a62906a
diff --git a/_nokia/nokia7.1.markdown b/_nokia/nokia7.1.markdown
new file mode 100644
index 0000000..9062916
--- /dev/null
+++ b/_nokia/nokia7.1.markdown
@@ -0,0 +1,23 @@
+---
+layout: device
+title:  "Nokia 7.1"
+codename: CTL_sprout
+downloadfolder: CTL_sprout
+supportstatus: Current
+maintainer: Raghu Varma
+devicetree: https://github.com/TeamWin/android_device_nokia_CTL_sprout
+oem: Nokia
+xdathread: https://forum.xda-developers.com/nokia-7-1/development/twrp-3-2-3-0-team-win-recovery-project-t3935859
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}