chore: link libm on posix platforms

Author: kevaundray

bindings/nim/nim_code/nim_peerdas_kzg/bindings.nim

@@ -18,4 +18,7 @@ const libpath = getInstallDir() / libName
 when defined(windows):
   {.passL: "-lws2_32".}
   {.passL: "-lntdll".}
-  {.passL: "-luserenv".}
+  {.passL: "-luserenv".}
+else:
+  # Link math library for non-Windows platforms
+  {.passL: "-lm".}