twrpme: Add Xiaomi Mi 9 SE

Change-Id: I30593e8f384c76e0179760d8063152ab3fa72814
diff --git a/_xiaomi/xiaomimi9se.markdown b/_xiaomi/xiaomimi9se.markdown
new file mode 100644
index 0000000..b0b7885
--- /dev/null
+++ b/_xiaomi/xiaomimi9se.markdown
@@ -0,0 +1,25 @@
+---
+layout: device
+title:  "Xiaomi Mi 9 SE"
+codename: grus
+downloadfolder: grus
+supportstatus: Current
+maintainer: DarkJoker360
+devicetree: https://github.com/TeamWin/android_device_xiaomi_grus
+oem: Xiaomi
+xdathread: "https://forum.xda-developers.com/mi-9-se/development/recovery-twrp-xiaomi-mi-9-se-t4192429"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include xiaomiunlock.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}