* show flag next to epoch block

* block view customizations

* add hint with link

* display block epoch transfers

* show epoch election reward types

* show reward details

* show base fee token from API

* display current epoch on main page

* mobile view

* tests

* add infinite scroll loading to reward details resource

* update useApiQuery options

* update screenshots

* update layout of reward details on desktop

* change hints of block epoch reward distribution