Restore OVH provider

[Azanul]

Problem

#912

How to Test

• Try to configure your OVH account with Komiser like

[[ovh]]
  name="Test"
  endpoint="ovh-eu"
  application_key="my_app_key"
  application_secret="my_application_secret"
  my_consumer_key="my_consumer_key"

• See if resources are correctly being fertched

Notes

• Haven't tested it yet

Checklist

• Code follows the contributing guidelines
• Changes have been thoroughly tested
• Documentation has been updated, if necessary
• Any dependencies have been added to the project, if necessary

[scraly]

Thank you for adding this provider, it's a very good idea ☺️
Just a suggestion, is it possible to change "OVH" to "OVHcloud" for the name of the cloud provider?

Thanks