Update pyproject.toml

See merge request !19

# Conflicts:
#   pyproject.toml

Update tox.ini

See merge request !24

Update .dev-js/package.json

See merge request !25

Update .gitignore

See merge request !26

Resolve "Check if user has person when creating mail address"

Closes #14

See merge request !29

Resolve "Drop sites framework"

Closes #13

See merge request !28

Update .prettierignore

See merge request !27

Update tox.ini

See merge request !23

Resolve "Adapt to AlekSIS-Core 4.0"

Closes #11

See merge request !21

Update tox.ini

See merge request !22

Update .prettierignore

See merge request !17

Update .eslintrc.js

See merge request !18

Merge branch '10-checking-mail-address-related-permissions-for-regular-users-causes-error' into 'master'

Resolve "Checking mail address related permissions for regular users causes error"

Closes #10

See merge request !20