Review and improve the Principles help page

[RichardTaylor]

https://www.whatdotheyknow.com/help/principles

This would probably be best done on a Google Doc.

Google Doc open to all for comment:

https://docs.google.com/document/d/1g6BYWCbPSaZIUmjxWvPh8qh7JNUOO4l5M-yjrP3m6eg/edit

This local set of principles should reflect the wider strategy

https://www.mysociety.org/2021/11/24/the-need-to-repower-democracy/

We could actively encourage wider public input?