round numbers to maximum 2 decimals after the .

[serejandmyself]

example - rich list in val passport (not a good example i mean)

[m1amgn]

#680
New format-decimal.ts: two decimals at 0.01+, significant digits
below, so small amounts don't round to zero. Applied to rich list, both
calculators, Monero tx metrics and pool config. Two extras found while
verifying: USD under a cent now reads <$0.01 instead of $0.00, and
formatXmrReward no longer truncates to four digits — that had turned the
whole fee column on /networks/monero/tx into 0.0000 XMR.