Add DW News Media Scan app strings to Transifex

[sloncocs]

• [x] Add @aanorbel as a maintainer of the project on Transifex
• [x] Add DW team as maintainers of the project on Transifex
• [x] Add DW News Media Scan app strings to this project on Transifex: https://app.transifex.com/otf/dw-news-media-scan/dashboard/
• [ ] Sync the strings with existing OONI Probe translations on Transifex