New base mining rate

@PiCoreTeam

On May 1, 2022, the new base mining rate became effective as part of its monthly adjustment based on the rewards issuance formula released on March 1, 2022. You will see the new rate when you start your first new mining session of the month. Boost your individual mining rate through diverse contributions, including Pi Lockups, App usage, Node operations, security circles, and referrals. Click in app "Read More" for details, or "Boost Mining Rate" now!