Adding a Gradle Build system to the Processing IDE #53

Job	Run time
Create Pull Request Build for linux (arm)	18m 10s
Create Pull Request Build for linux (arm)	45m 28s
Create Pull Request Build for linux (x64)	1m 33s
Create Pull Request Build for linux (x64)	1m 33s
Create Pull Request Build for windows (x64)	2m 25s
Create Pull Request Build for windows (x64)	2m 25s
Create Pull Request Build for macos (x64)	2m 47s
Create Pull Request Build for macos (x64)	2m 47s
Create Pull Request Build for macos (aarch64)	1m 50s
Create Pull Request Build for macos (aarch64)	1m 50s
Create Pull Request Build for linux (aarch64)	1m 39s
Create Pull Request Build for linux (aarch64)	1m 39s
	1h 24m 6s

Provide feedback