Please enable editing of wiki pages

[valentt]

Hi, would like to contribute by editing wiki pages but I don't see a way how to do it now.

I have forged wiki repository but there are no WIKI documentation pages there to edit. Can you please clarify how wiki documentation pages can be edited.

Thanks.

[camilstaps]

Duplicate of #32.

[kentaylor]

It looks like this needs to be enabled as documented at https://help.github.com/articles/changing-access-permissions-for-wikis/ which would be useful as https://github.com/esp8266/esp8266-wiki/wiki/Hardware_ESP8266-Versions#esp8266 says "If you have any information describing the differences, please add it here!" but it is not possible.