Update CODEOWNERS for Crowdin PRs (#6746)

* Adding all messages.json files besides en/ into ownership of team-tools-dev

* Add newline and extend header comment

---------

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

.github/CODEOWNERS

@@ -32,6 +32,12 @@ libs/common/src/tools @bitwarden/team-tools-dev
 libs/exporter @bitwarden/team-tools-dev
 libs/importer @bitwarden/team-tools-dev
 
+## Localization/Crowdin (Tools team)
+apps/browser/src/_locales @bitwarden/team-tools-dev
+apps/cli/src/locales @bitwarden/team-tools-dev
+apps/desktop/src/locales @bitwarden/team-tools-dev
+apps/web/src/locales @bitwarden/team-tools-dev
+
 ## Vault team files ##
 apps/browser/src/vault @bitwarden/team-vault-dev
 apps/cli/src/vault @bitwarden/team-vault-dev