Retain funding notice.

README.md

@@ -1,5 +1,4 @@
-The NMODL Framework
-===================
+# The NMODL Framework
 
 > [!WARNING]
 >
@@ -8,3 +7,16 @@ The NMODL Framework
 >
 > All future development will happen at:
 >  https://github.com/neuronsimulator/nrn
+
+## Funding & Acknowledgment
+
+The development of this software was supported by funding to the Blue
+Brain Project, a research center of the École polytechnique fédérale de
+Lausanne (EPFL), from the Swiss government’s ETH Board of the Swiss
+Federal Institutes of Technology. In addition, the development was
+supported by funding from the National Institutes of Health (NIH) under
+the Grant Number R01NS11613 (Yale University) and the European Union’s
+Horizon 2020 Framework Programme for Research and Innovation under the
+Specific Grant Agreement No. 785907 (Human Brain Project SGA2).
+
+Copyright © 2017-2024 Blue Brain Project, EPFL