twrpme: add markdown for Mi 8 Pro and Mi 8 EE

Also add xiaomi unlock instructions for beryllium

Change-Id: I205ad50678086a7cad71e6165b811d404b15e228
diff --git a/_xiaomi/xiaomimi8pro.markdown b/_xiaomi/xiaomimi8pro.markdown
new file mode 100644
index 0000000..994dc85
--- /dev/null
+++ b/_xiaomi/xiaomimi8pro.markdown
@@ -0,0 +1,26 @@
+---
+layout: device
+title:  "Xiaomi Mi 8 Pro"
+codename: equuleus
+downloadfolder: equuleus
+supportstatus: Current
+maintainer: althafvly
+oem: Xiaomi
+devicetree: https://github.com/TeamWin/android_device_xiaomi_equuleus
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include dmverity.html %}
+
+{% include xiaomiunlock.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}