Users should close resources like autopass in a teardown callback. In
this case it will speed up reruns as `pass.close()` calls hyperswarm's
`.destroy()` which will clean up the DHT records, speeding up joining on
rerun.
* Add "Making a Bare Mobile App" guide
* Change title to be 'Application' instead of 'App' in mobile guide
* Pin `autopass` to `1.x.x` in mobile guide
* Update "Bare on Mobile" to point readers to the mobile guide
* Add Bare mobile application guide to README.md
* Tweak wording in "Bare on Mobile"
* Remove "Cross-platform Pear App" example
This example app has been archived and is now outdated.
* Add missing link in SUMMARY.md for mobile guide
* Update mobile app guide to use new worklet api & support autopass@2.1
