[xdg] move pages path under $XDG_DATA_HOME instead of CONFIG_HOME OK andrea

support xdg basedir Use XDG-compliant paths unless ~/.telescope already exists. Provide a script to migrate to XDG-style directory for users who wish to do so.

link the duckling proxy in the "protocol proxy" section It's the only kind of protocol-proxy I know. The downside is that is an HTTP link :/

small tweaks for about:help

explain how to customise about: pages

two blanks before heading

add section about protocol proxies

less repetitive phrase

mention < in about:help

improve about:help

move built-in pages to pages/*.gmi