Dcoraid

- build: fix build macOS pipeline

- build: fix build pipeline

- feat: enable "clinics" in wizard and support encrypted access tokens
- ci: overhauled build pipeline
- enh: add APIAuthorizationError class

- setup: bump dclab from 0.28.0 to 0.32.2 (OOM issues during compression)
- setup: pin dclab (for triaging)
- build: move build pipeline from travisCI to GitHub Actions

- feat: implement persistent upload resource schema presets (9)
- fix: do not allow user to proceed with upload unless 'authors'
is specified (to avoid cryptic error message)
- fix: minor issue of visualizing whether user changed
supplementary resource information
- enh: enable DCOR usage (anonymous and registered users)
- enh: make sure the user really wants to upload datasets without
editing any metadata (10)
- enh: improve upload dialog understandability
- ref: migrate preferences to QSettings
- ref: refactor upload dialog to a real dialog

- enh: send DCOR-Aid user-agent string