Fixes #412: Re-ordered index for CDLB.

Fixes Fixes for #412 (closed) no by @dakshp07

Description The articles were from oldest to new, now they get displayed from new (recent) to oldest

Screenshots

Checklist:

• My pull request has a descriptive title (not a vague title like "Update index.md").
• My pull request targets the phoenix/develop branch of the repository.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.