COMMUNITY-ROLES: document CODEOWNERS file (#11646)

* COMMUNITY-ROLES: Document CODEOWNERS file

* Update COMMUNITY-ROLES.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Update COMMUNITY-ROLES.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update COMMUNITY-ROLES.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update COMMUNITY-ROLES.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* COMMUNITY-ROLES: add licence clarification note

ref @kbdharun

* Update COMMUNITY-ROLES.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

COMMUNITY-ROLES.md

@@ -203,3 +203,17 @@ Any member of the community can (and is encouraged to) propose role changes
 by following the process outlined [above](#how-to-change-roles).
 [Owners of the tldr-pages organization](MAINTAINERS.md#organization-owners)
 can then perform the actual role changes.
+
+## CODEOWNERS
+
+The [`.github/CODEOWNERS` file](https://github.com/tldr-pages/tldr/blob/main/.github/CODEOWNERS) allows contributors with write access to the [tldr-pages/tldr repository](https://github.com/tldr-pages/tldr) to get automatic review request notifications for given files and directories.
+If they wish to, contributors can open a pull request to add themselves to this file as desired.
+
+Example uses include (but are not limited to):
+
+- Contributors who speak a specific language and want to assist with reviewing translations in those specific languages.
+- Contributors with specific expertise who wish to review pull requests for specific platforms.
+- Contributors interested in reviewing [client specification](https://github.com/tldr-pages/tldr/blob/main/CLIENT-SPECIFICATION.md) updates.
+
+> [!NOTE]
+> This mechanism is purely for automatic review requests for PRs and doesn't grant collaborators additional copyright over the code-owned files. View the [LICENSE](https://github.com/tldr-pages/tldr/blob/main/LICENSE.md) file for more information.