Broken link to grid users section

[scottyeager]

At the top of the main terms and conditions there is a broken link:

It seems there are no longer separate files for v2 and v3 users t&c.

[sasha-astiadi]

updated https://github.com/threefoldfoundation/info_legal/commit/854c77013d8093f0e3ef9f5bc0ae0ab2d27b954e