ToC for the OTA tutorial added (tutorials/Install-Rooted-OTA.md).

tutorials/Install-Rooted-OTA.md

@@ -4,6 +4,22 @@ The installation of ***OTA*** updates often fails if the device has been **roote
 
 ***WARNING:** Before you start **backup** everything that's important! Proceed at own risk!*
 
+
+Table of Contents
+=================
+
+   * [Prerequisite](#-prerequisite-)
+   * [Short Version](#-short-version-)
+   * [Long Version](#-long-version-)
+      * [Step 1 – Preparation](#step-1--preparation)
+      * [Step 2 – Flash System Images](#step-2--flash-system-images)
+      * [Step 3 – Install <em>OTA</em>](#step-3--install-ota)
+      * [Step 4 – Install <em>TWRP</em>](#step-4--install-twrp)
+      * [Step 5 – Install <em>Magisk</em>](#step-5--install-magisk)
+      * [Step 6 – Done](#step-6--done)
+   * [Further information](#-further-information-)
+
+
 -------------------------------------
 
 ## – Prerequisite –