Updated tutorial's index and created tutorial's intro page

docs/source/index.rst

@@ -71,8 +71,13 @@ Table of content
    :maxdepth: 2
    :caption: Tutorial
 
+   tutorial/index
    tutorial/tutorial00
    tutorial/tutorial01
+   tutorial/tutorial02
+   tutorial/tutorial03
+   tutorial/tutorial04
+   tutorial/tutorial05
    tutorial/_brainstorm
 
 Indices and tables

docs/source/tutorial/index.rst

@@ -0,0 +1,13 @@
+Kapow! Tutorial
+===============
+
+  This tutorial will allow you to grow slowly in the knowledge of Kapow!.  It
+  tells you the story of a senior ops guy just arrived to his new job in a small
+  company.  He'll face different challenges of increasing difficulty, but with
+  the help of his experienced senior mate and Kapow! he will be able to satisfy
+  all the requierements.
+
+  You just only need to follow the steps and execute the code shown in the
+  tutorial to learn the Kapow! way of doing.
+
+  Have a nice trip to Kapow!