Adding Xda Link for OnePlus 6

Change-Id: I61acaa223c49f8dcf9f32308abf565d42507106e
diff --git a/_oneplus/oneplus6.markdown b/_oneplus/oneplus6.markdown
index 9298bc6..190784d 100644
--- a/_oneplus/oneplus6.markdown
+++ b/_oneplus/oneplus6.markdown
@@ -7,6 +7,7 @@
 maintainer: Dees_Troy, Mauronofrio
 oem: OnePlus
 devicetree: https://github.com/TeamWin/android_device_oneplus_enchilada
+xdathread: "https://forum.xda-developers.com/oneplus-6/development/recovery-unofficial-twrp-touch-recovery-t3860815"
 ---
 
 {% include disclaimer.html %}