Add acknowledgments

README.md

@@ -17,3 +17,8 @@ Assuming prerequisites are installed:
 `python3 -m pip install .`
 
 See also https://mesonbuild.com/Quick-guide.html#compiling-a-meson-project
+
+## Acknowledgments
+
+This work was supported by European Union's HORIZON-RIA programme (Grant
+Agreement No.~101135240 JOGATE).