How to replace the DBT logo with some other image in the website header, generated by dbt docs generate command.
The documentation consists of an index.html file, which loads data from the artifact files (source).
If you edit the index.html file you will be able to customise it as you wish. Note that each time you run dbt docs generate the file will be re-copied into your target folder, so you’ll need some mechanism for either copying the artifacts to wherever your new index.html` is located or overwriting the file with your customised version.