Create a new tag in the repository from an OID
Name for the tag; this name is validated for consistency. It should also not conflict with an already existing tag name
OID to which this tag points; note that no validation is done on this OID. Use the _o version of this method to assure a proper object is being tagged
Full message for this tag
0 on success; error code otherwise. A tag object is written to the ODB, and a proper reference is written in the /refs/tags folder, pointing to it