Upload Image_Canvas on packagist

Dear list,

Pardon my ignorance as I'm rather new to PHP & PEAR.

I'm trying to modernize an old PHP code base which uses several PEAR 
packages. One of the first step is to install the requirements with 
composer. However, one of the packages (Image_Canvas) is not available 
on packagist. I tried to contact the maintainer without success.

Therefore I wanted to know how can I contribute to this. For instance, 
can I open an issue on github (AFAICS, there is a tab for PR but not 
issues) ? Do I need to be part of the PEAR Github organization ?

Thanks in advance,
Mathieu

-- 
Mathieu Dubois - IR - UMR 8030 équipe LABGeM
CEA - Genoscope. 2 rue Gaston Crémieux. 91057 Evry Cedex France.
Bureau B07
+33 1 60 87 53 35