Problem description

While ck2yaml, cti2yaml and ctml2yaml have man pages, it is missing for yaml2ck (new in Cantera 3.0; introduced with #1286).

Steps to reproduce

$ man yaml2ck
No manual entry for yaml2ck

System information

• Cantera version: 3.0.0a2
• OS: any
• Python/MATLAB/other software versions: N/A