Add the following link as a shortcut for Japan

[data-sync-user]

Acceptance criteria:

Place behind feature flag

Link:https://mzl.la/4nJ5E8m

Title: Firefoxガイド

Favicon:

Position in shortcuts order:

┆Issue is synchronized with this Jira Task

[data-sync-user]

➤ Andres Furlan commented:

CC: Emanuele Brandi Noel De La Torre John Hall