Merge branch 'angel/add-code-of-conduct' into 'master'

Add code of conduct

See merge request !1691
3 jobs for !1691 with angel/add-code-of-conduct into master
Status Job ID Name Coverage
  Check
manual #964216293
veloren-docker allowed to fail manual
opt-linux
manual #964216295
veloren-docker allowed to fail manual
opt-macos
manual #964216294
veloren-docker allowed to fail manual
opt-windows