add sponsoring to github

Descriptive title for this enhancement

github now allows to put sponsoring links to the repository for the various monetary contributing platforms

Actual behavior

no link to our donating platforms

Expected behavior

be able to promote crowfunding platform

Step by step description of new behaviour

we need to add a .github/FUNDING.yml

Benefits

raise awardness of way of micro donating to fusiondirectory

Possible Drawbacks

none

Applicable Issues

crowfunding