Add syntax highlighting for Opentofu tofu files

Opentofu uses HCL syntax and brings the file ending tofu instead of terraforms tf.

How can the syntax be highlighted or the maybe existing support activated?

Thx. in advanced

Related:

• https://github.com/orgs/community/discussions/167865 (analog Github issue)
• https://opentofu.org/docs/language/syntax/

Thx in advance!