* create settings context with simple address format toggler

* transform base16 hash to bech32 hash

* add ENV variables

* add snippet to address page

* add redirect for bech32 addresses

* change address format in search

* add provider to tests

* update demo values

* migrate from Buffer to Uint8Array and add tests

* bug fixes and screenshots updates

* review fixes

* roll back changes in env values

* update screenshots