Q4 additions, extraneous space removal

[dziban303]

Describe your changes

Added MQ-4C Tritons and NATO RQ-4D Phoenixes. Corrected N1DC category to match others in that category (and fix grammar).

All instances of extraneous space " ?" in categories and tags have been removed

Sources include Mictronics and VRS databases; verified reg numbers with publicly available imagery

Checklist before requesting a review

• I have performed a self-review of my code.
• While waiting for someone to review your request, please help review another open pull request to support the maintainers.

[github-actions]

Please only suggest/make any changes to the following files:

• plane-alert-db.csv: A list of interesting aircraft with tags, categories and links.
• plane-alert-pia.csv: A list that contains PIA planes.
• plane-alert-twitter-blocked.csv: A list of aircraft that will cause your Twitter account to be banned when used with docker-planefence. Please use it with care.
• plane-alert-ukraine.csv: A list with Ukrainian planes.
• plane_images.txt: A accompanying list that contains aircraft images.

All other files are generated from this file using the .github/workflows/create_db_derivatives.yaml GitHub action, and if you do not make your changes there, they will be overwritten and lost.