Merge branch 'feature/project-position' into 'develop'

src/api/views/maps.py

src/backoffice/locale/de/LC_MESSAGES/django.po

src/backoffice/locale/en/LC_MESSAGES/django.po

src/backoffice/templates/backoffice/project/create_edit.html

...ackoffice/templates/backoffice/project/edit_position.html

src/backoffice/urls.py

src/backoffice/views/projects/__init__.py

src/backoffice/views/projects/self_organized_projects.py

src/core/locale/de/LC_MESSAGES/django.po

src/core/locale/en/LC_MESSAGES/django.po

src/core/migrations/0175_project_position.py

src/core/models/projects.py

src/core/templates/core/map.html