Add more files to gitignore, notably build folder

4 jobs for master in 3 minutes and 19 seconds (queued for 36 seconds)
latest
Status Job ID Name Coverage
  Build
passed #251892
amd64 debian
build-debian

00:00:40

passed #251893
macos
build-macos

00:00:51

passed #251895
debian amd64 win32
build-win32

00:01:46

passed #251894
debian amd64 win64
build-win64

00:01:49