Grammar fixes, Harrier additions

[dziban303]

Describe your changes

• Fixed the erroneous spaces which apparently weren't fixed last time;
• Fixed some designations like 'F35'->'F-35' and 'FA-18'->'F/A-18';
• Fixed an E-6 that was confused about which branch it worked for;
• Added several Harriers with pics where I could find the regs, sourced from twitter, mictronics db, rikgale's db, jetphotos, et cetera

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.

[Phaeton]

Looks good. 👍