Changes in Lang Files Dashboard

Lang Path	Status	En Updates	PR
content/id/docs/concepts/configuration/_index.md # Last Commit: 2019-05-24	en-file-updated	Last update: 2021-06-16 Commit: Remove exec permission on markdown files 2021-06-16 Merge Commit: Merge pull request #28447 from tengqm/fix-file-modes 2021-06-17 Commit: Add descriptions to Concept sections 2020-06-25 Merge Commit: Merge pull request #21997 from sftim/20200622_tidy_concepts_section_post_docsy 2020-06-27