Add addneuromed metadata

addneuromed_metadata.json

@@ -0,0 +1,18 @@
+{
+  "dataset_name": "addneuromed",
+  "download_urls": {
+    "GPL10558": "https://ftp.ncbi.nlm.nih.gov/geo/series/GSE63nnn/GSE63063/matrix/GSE63063-GPL10558_series_matrix.txt.gz",
+    "GPL6947": "https://ftp.ncbi.nlm.nih.gov/geo/series/GSE63nnn/GSE63063/matrix/GSE63063-GPL6947_series_matrix.txt.gz"
+  },
+  "download_timestamp": "2025-07-22 17:22:41.663438",
+  "statistics": {
+    "num_samples": 717,
+    "num_features": 25549,
+    "target_stats": {
+      "mean": 75.81729428172943,
+      "std": 6.823851183924213,
+      "min": 52.0,
+      "max": 100.0
+    }
+  }
+}