After cloning the Wiki repo:
git clone https://dev.azure.com/mmelcher/AzureDevOps.WikiPDFExport/_git/AzureDevOps.WikiPDFExport.wiki
You can use the following command:
.\azuredevops-export-wiki.exe --path "path/to/wiki" --header-url example-header.html --footer-url example-footer.html --output D:\temp\test.pdf