Nokia: Add Official twrp support for Nokia 7.2 & 6.2

Change-Id: I151b9fefddffab80f035dcde0453de9213053879
diff --git a/_nokia/nokia6.2.markdown b/_nokia/nokia6.2.markdown
new file mode 100644
index 0000000..bca93ef
--- /dev/null
+++ b/_nokia/nokia6.2.markdown
@@ -0,0 +1,23 @@
+---
+layout: device
+title:  "Nokia 6.2"
+codename: SLD_sprout
+downloadfolder: SLD_sprout
+supportstatus: Current
+maintainer: Raghu Varma
+devicetree: https://github.com/TeamWin/android_device_nokia_SLD_sprout
+oem: Nokia
+xdathread: https://forum.xda-developers.com/nokia-6-2/development/unofficial-twrp-3-3-1-0-team-win-t3999433
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}