Added TOCs.

docs/installation-development.md

 # Install for Development
 
+<!-- TOC -->
+
+- [Install for Development](#install-for-development)
+    - [Prerequisites](#prerequisites)
+    - [Setup Database](#setup-database)
+    - [Installation](#installation)
+    - [Configuration](#configuration)
+    - [Running Engine](#running-engine)
+    - [Logging](#logging)
+    - [Read more](#read-more)
+
+<!-- /TOC -->
+
 ## Prerequisites
 
 Aura Engine runs on any modern Debian-based OS. It requires at least

docs/installation-production.md

 # Install for Production
 
+<!-- TOC -->
+
+- [Install for Production](#install-for-production)
+    - [Prerequisites](#prerequisites)
+    - [Installation](#installation)
+    - [Configuration](#configuration)
+    - [Running Engine](#running-engine)
+    - [The API Server](#the-api-server)
+    - [Maintanence using Supervisor](#maintanence-using-supervisor)
+    - [Logging](#logging)
+    - [Read more](#read-more)
+
+<!-- /TOC -->
+
 ## Prerequisites
 
 Aura Engine runs on any modern Debian-based OS. It requires at least

docs/running-docker.md

@@ -11,6 +11,18 @@ https://hub.docker.com/repository/docker/autoradio/engine
 It's not yet ready to be offically used. If you want to try AURA Engine meanwhile
 try the [Standard Installation](docs/installation-development).
 
+<!-- TOC -->
+
+- [Running Engine with Docker](#running-engine-with-docker)
+    - [Start an image](#start-an-image)
+    - [Configure an image](#configure-an-image)
+    - [Making Docker Releases](#making-docker-releases)
+        - [Build your own, local Docker image](#build-your-own-local-docker-image)
+        - [Releasing a new version to DockerHub](#releasing-a-new-version-to-dockerhub)
+    - [Read more](#read-more)
+
+<!-- /TOC -->
+
 ## Start an image
 
 *To be extended ...*