Add missing supporter cards, fix links.

Author: meldra

data/supporters.json

@@ -2,7 +2,7 @@
   {
     "name": "National Science Foundation",
     "logo": "/img/nsf.jpg",
-    "url": "https://www.nsf.gov"
+    "url": "https://www.nsf.gov/awardsearch/show-award?AWD_ID=1549758"
   },
   {
     "name": "DataCite",
@@ -18,10 +18,40 @@
     "name": "figshare",
     "logo": "/img/figshare.png",
     "url": "https://figshare.com"
-  },
-  {
+   },
+   {
     "name": "Zenodo",
     "logo": "/img/zenodo.jpg",
     "url": "https://zenodo.org"
+  },
+  {
+    "name": "Software Heritage",
+    "logo": "/img/software-heritage.svg",
+    "url": "https://softwareheritage.org"
+  },
+  {
+    "name": "FAIR-IMPACT",
+    "logo": "/img/eoscfairimpact.jpg",
+    "url": "https://cordis.europa.eu/project/id/101057344"
+  },
+  {
+    "name": "FAIRCORE4EOSC",
+    "logo": "/img/FAIRCORE4EOSC.png",
+    "url": "http://cordis.europa.eu/project/id/101057264"
+  },
+  {
+    "name": "European Commission",
+    "logo": "/img/eu_commission.svg",
+    "url": "https://commission.europa.eu"
+  },
+  {
+    "name": "Alfred P. Sloan Foundation",
+    "logo": "/img/sloan.png",
+    "url": "https://sloan.org"
+  },
+  {
+    "name": "OSPO-RADAR",
+    "logo": "/img/ospo-radar.png",
+    "url": "https://www.softwareheritage.org/2025/04/02/ospo-radar-project-launch/"
   }
 ]