Move documentation link to the new URL

[ondoheer]

https://dolamrothseo.com/oniros_docu/

[mishingo]

documentation site is still down

[ondoheer]

Sorry @mishingo, the documentation is undergoing some changes to update it to the new features, file structure. The documentation is hosted now on Athelas

[dcamere]

@mishingo Sorry, we are actually making documentation changes. If you find any other issue or have any recommendation, please let us know.