Remove tutorials and update introduction post. Add author

Author: Edoardo Holzl

_data/authors.yml

@@ -5,3 +5,7 @@ r_grubenmann:
 m_jaggi:
     name: M. Jaggi
     web: https://mlo.epfl.ch/
+
+e_hoelzl:
+    name: Edoardo Hölzl
+    web: https://github.com/ehoelzl

_posts/2018-09-07-introducing-mlbench.md

@@ -43,4 +43,4 @@ Our project is open, vendor independent and backed by academic standards, and we
 
 ### Getting Started
 
-Please refer to our [getting-started tutorial]({% post_url 2018-09-10-tutorial %}) on how to set up and start using MLBench.
+For installation and quickstart, please refer to the [documentation](https://mlbench.readthedocs.io/en/latest/installation.html#installation).