Merge branch 'develop'

app/escriptorium/context_processors.py

app/escriptorium/settings.py

app/escriptorium/templates/base.html

app/requirements-dev.txt

docker-compose.override.yml_example

docker-compose.yml

front/package-lock.json

front/package.json

front/src/baseline.editor.js

front/src/editor/store/lines.js

front/src/editor/store/transcriptions.js

front/src/messages.js

front/src/onboarding.js

front/src/profile.js

front/src/vendor.js

front/vue/components/DiploPanel.vue

front/vue/components/TranscriptionModal.vue

variables.env_example