Add missing NSF grant files

Author: reginankenchor

organizations/national_science_foundation.md

@@ -22,9 +22,9 @@ The National Science Foundation (NSF) is a U.S. government agency that supports
 
 #### **NSF-Funded Open Source Subgrants**  
 
-- [NSF POSE Grants](./funders/nsf-grants/pose.md)  
-- [NSF Safe-OSE](./funders/nsf-grants/safe-ose.md)  
-- [NSF GEO OSE](./funders/nsf-grants/geo-ose.md)  
+- [NSF POSE Grants](../funders/nsf-grants/pose.md)  
+- [NSF Safe-OSE](../funders/nsf-grants/safe-ose.md)  
+- [NSF GEO OSE](../funders/nsf-grants/geo-ose.md)  
 
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