Add funding.yml with Open Collective info
Add funding.yml with Open Collective info

Signed-off-by: Jan-Christoph Borchardt <7f550a9f4c44173a37664d938f1355f0f92a47a7@jancborchardt.net>

tosdr/tosdr.org,tosdr/tosdr.org,tosdr/tosdr.org,tosdr/tosdr.org,tosdr/tosdr.org