Copy most of the text from the main page to the about page so that there is

Review Request #765 — Created June 19, 2021 and submitted — Latest diff uploaded

Information

pidgin/nest
default
6d7ca282e0bb

Reviewers

Copy most of the text from the main page to the about page so that there is some actual content there. Fixes PIDGIN-17541.

Ran server locally and verified page appeared as expected.