Add catalog metadata (META.d)

Author: bbasata

.copywrite.hcl

@@ -5,6 +5,9 @@ project {
   copyright_year = 2021
 
   header_ignore = [
+    # internal catalog metadata (prose)
+    "META.d/**/*.yaml",
+
     # changie tooling configuration and CHANGELOG entries (prose)
     ".changes/unreleased/**",
     ".changie.yaml",
@@ -24,4 +27,4 @@ project {
     # Release Engineering tooling configuration
     ".release/*.hcl",
   ]
-}
+}