Update funding page

Author: dstansby

funding.md

@@ -1,12 +1,14 @@
 # Funding
 
 ## Current
-
-- NASA (640k\$, 2022-2025)
-- CZI (250k\$, 2020; 250k\$, 2021; 381k\$, 2022-2024)
-- Microsoft (10k\$, 2021)
-- American Express (1k\$/mo 2021-)
+- [American Express](https://www.americanexpress.com), 2021-present (1k\$/month)
 
 ## Past
-
-- Simula / (10k\$, 2013)
+- [NASA](https://www.nasa.gov/) 2022-2025 (640k\$)
+- [Chan Zuckerberg Initiative](https://chanzuckerberg.com/)
+  - 2022-2024 (381k\$)
+  - 2021 (250k\$) 
+  - 2020 (250k\$)
+- [Microsoft](https://www.microsoft.com), 2021 (10k\$)
+  - 2021 
+- Simula, 2013 (10k\$)