Fixed typos.
Add news entry that we're working on a Swing module.
Add stub for assertj-swing.
Create overview of Swing module.
Add quick start guide for AssertJ Swing.
Create directory for all the template data files.
Create stubs for already referenced sites.
Add getting started.
Add warning about having more than one Robot.
Improve style of alert and panel:

- Adapt border radius to pre-formatted code border radius
- switch foreground and background color of danger text, to match the color scheme of assertj.org
- inherit colors of code to allow code to be used in a panel or alert.
Add basics site.
Improve visualisation of info panels. Adapt colors to assertj color scheme.
Add EDT site.
Put AssertJ Swing into a variable.
Add lookup site.
Add launching site.
Delete old output files.
Add input site.
Add running-tests site.
Add troubleshooting site.