[TASK] Modify extension key to match repository name
[TASK] Add DWZ Graph to showAction output

Pass DWZ and DWZ-Index data JSON encoded from Controller to Template.
Use JavaScript to create the graph.
[TASK] Add setting to hide graph on showAction output.

Add checkbox to BE to hide the graph on showAction output.
[BUGFIX] Fix reformating of code gone wrong.

This fix removes line breaks and tabs which must not be there.
[TASK] Add setting to define graph color.

Add colorpicker to BE to define the color for the graph on showAction output.
[TASK] Update description in ext_emconf.php
[TASK] Set version to 1.0.0
[TASK] Delete unnecessary file ext_tables.sql
[TASK] Create Readme with basic information
[DOC] Add missing screenshots
[DOC] Fix path to screenshots in Readme
[DOC] Fix wrong linebreaks
[DOC] Fix wrong indentation for the figures in Readme
[DOC] Remove empty sections from Readme