htc_imedugl: Add HTC U12+

Change-Id: Ief5a268655a987d1f236ba72179abd6c95ca3ba5
diff --git a/_htc/htcu12+.markdown b/_htc/htcu12+.markdown
new file mode 100644
index 0000000..ec7370e
--- /dev/null
+++ b/_htc/htcu12+.markdown
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+---
+layout: device
+title:  "HTC U12+"
+codename: ime
+downloadfolder: ime
+supportstatus: Current
+maintainer: freak07
+oem: HTC
+devicetree: "https://github.com/TeamWin/android_device_htc_ime"
+xdathread: "https://forum.xda-developers.com/u12-plus/development/recovery-unofficial-twrp-3-2-2-0-htc-t3819343"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+NOTE: Updates may break decrypt in TWRP. MTP does not work at this time, but you can use adb to transfer files.
+
+{% include download.html %}
+
+<div class='page-heading'>Installation:</div>
+If you already have TWRP installed:
+Download the latest zip and install the zip using TWRP. Directly afterwards flash Magisk zip.
+
+If you do not already have TWRP installed:
+Download both the img and the zip. You will need to have fastboot binaries and the correct drivers installed. Power off your device completely. Hold power button until device vibrates, when vibration kicks in let go of the power button and hit immediately volume down button. Your device should now be in the bootloader. Boot now to download mode. Connect the device to your PC. Open a command window and run the following command from the proper location:
+
+fastboot boot path/to/twrp.img
+
+This will temporarily boot TWRP on your device. You may use adb to push the zip onto your device:
+
+adb push path/to/twrp.zip /
+
+Go to install and browse to the zip and install the zip. The zip will install TWRP to both boot slots. Now flash magisk zip, otherwise the device will only be able to reboot straigtly to TWRP.
+
+MTP is currently disabled.