* Remove 'SCRATCH' file
* cmake: move as much as variable assignments after project()
* Embed version in dethrace executable
* Allow installing DethRace + create binary archive
* Use ashutoshvarma/setup-ninja github action for getting ninja
* cmake: group user configurable options
* cmake: building in debug mode will add -g
* cmake: provide dethrace_werror interface target + DETHRACE_WERROR cmake option
* Update SDL2 to latest release
* Rename dethrace_werror target to compile_with_werror
* Also add -Werror to dethrace
Anonymous Maarten