Update .licenserc.yaml

Author: cjcchen

.licenserc.yaml

@@ -14,6 +14,8 @@ header:
     - 'dev/.rat-excludes'
     - 'documents/doxygen/.gitignore'
     - 'third_party/loc_script/src/index.js'
+    - 'ecosystem/**/*.mdx'
+    - 'ecosystem/**/*.json'
     - 'ecosystem/**/LICENSE*'
     - 'ecosystem/third_party/**'