프리릴리즈 일단 적용

version.json

@@ -1,6 +1,6 @@
 {
-    "r_ver" : "v3.6.0-v14",
-    "c_ver" : "20250324",
+    "r_ver" : "v3.6.0-v15",
+    "c_ver" : "20250325",
     "s_ver" : "20240426",
-    "bin_link" : "https://github.com/openNAMU/GopenNAMU/releases/download/v2025-03-21-v2/"
+    "bin_link" : "https://github.com/openNAMU/GopenNAMU/releases/download/v2025-04-18-b1/"
 }