Link on docs points to docs-legacy

[keiranmraine]

Actual behavior

Links out to docs-legacy site:

https://docs-legacy.requarks.io/wiki/install/database

Expected behavior

Move to corresponding page on docs.requarks.io:

https://docs.requarks.io/wiki/install/installation/database

Steps to reproduce the behavior

Select the Database guide link under install/prerequisites#mogodb