Add a sponsor button to GitHub page

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>

diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644 (file)
index 0000000..00944b0
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+custom: "https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=45U6F9R73ESFQ"