Design and deploy a global search bar for our websites

This ticket is created to list a set of requirements that need to be considered when designing a global search bar.

The following list of ideas was collected during this www meeting in December 2019 http://meetbot.debian.net/tor-meeting/2019/tor-meeting.2019-12-19-13.59.txt

• IDEA: respect locales
• IDEA: user search bar commands (hiro, 14:21:17)
• IDEA: searches should be scoped to current website (hiro, 14:24:08)
• IDEA: the searchbox should be on all the pages to make it easily accessible (hiro, 14:28:25)
• IDEA: display the local website contents and offer a link for 'search in all torproject' (hiro, 14:29:54)