Update README.md; added table of contents

README.md

@@ -14,6 +14,29 @@ more of the following frameworks:
 above mentioned frameworks. If you are interested in educational resources for beginners, please
 visit [this](https://gitlab.version.fz-juelich.de/MLDL_FZJ/MLDL_FZJ_Wiki/wikis/Education) page.
 
+# Table of contents
+<!-- TOC -->
+
+1. [A word regarding the code samples](#1-a-word-regarding-the-code-samples)
+2. [Changes made to support loading of pre-downloaded datasets](#2-changes-made-to-support-loading-of-pre-downloaded-datasets)
+3. [Applying for user accounts on supercomputers](#3-applying-for-user-accounts-on-supercomputers)
+    * [3.1 JURECA and JUWELS](#31-jureca-and-juwels)
+    * [3.2. JURON](#32-juron)
+4. [Logging on to the supercomputers](#4-logging-on-to-the-supercomputers)
+    * [4.1.JURECA](#41-jureca)
+    * [4.2. JURON](#42-juron)
+5. [Cloning the repository](#5-cloning-the-repository)
+    * [5.1. JURECA](#51-jureca)
+    * [5.2. JURONA](#52-juron)
+6. [Running a sample](#6-running-a-sample)
+    * [6.1. JURECA](#61-jureca)
+    * [6.2. JURON](#62-juron)
+7. [Python 2 support](#7-python-2-support)
+8. [Distributed training](#8-distributed-training)
+9. [Credits](#9-credits)
+
+<!-- /TOC -->
+
 ## 1. A word regarding the code samples
 
 Samples for each framework are available in the correspondingly named directory. Each such