copywrite: ignore madmin (#31)

.copywrite.hcl

@@ -0,0 +1,11 @@
+schema_version = 1
+
+project {
+  license        = "MPL-2.0"
+  copyright_year = 2025
+
+  header_ignore = [
+    # ignoring Minio's apache licensed code that is used as is in this repo
+    "madmin/**",
+  ]
+}