For MS Teams and OneDrive packages are now avaible in the Artixlinux universe repository.
The Teams client is the official one from MS, as per https://techcommunity.microsoft.com/t5/microsoft-teams-blog/microsoft-teams-is-now-available-on-linux/ba-p/1056267 (https://techcommunity.microsoft.com/t5/microsoft-teams-blog/microsoft-teams-is-now-available-on-linux/ba-p/1056267)
The OneDrive free client is an independent open source project. Configuration and usage instructions can be found in https://github.com/abraunegg/onedrive/blob/master/docs/USAGE.md (https://github.com/abraunegg/onedrive/blob/master/docs/USAGE.md)
keep it in AUR, this does not belong here.