* Ignore .idea
* Ignore build dir too
* Remove unused Windows Docker files
* Remove somewhat cryptic launch.sh script
* Remove kebab (javascript)
* Remove outdated release_macos script and rename the most up-to-date one to macos_release
* Clean up README.md and delete the other ones
* Add preliminary configure script
* Add hint in dependencies
* Remove obsolete CONTRIBUTING.md
* let's write the configure script later
* Adding this is so supremely ironic that I can't even
* Update QtApng repo
* Actually we needed that
* Add comment
* Contact should be h2
