Add verifier URL and slow flags

[hieronx]

No description provided.

[AStox]

--slow 👍

[github-actions]

Coverage after merging add-slow-command into main will be

96.94%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
Auth.sol	100%	100%	100%	100%
Escrow.sol	100%	100%	100%	100%
InvestmentManager.sol	91.59%	87.50%	87.80%	94.44%	188, 306, 315, 359, 391, 448, 454–455, 590, 645–648, 658–661, 661, 661, 723–724
LiquidityPool.sol	86.13%	65.63%	94.59%	91.18%	106, 109, 151–152, 154, 178, 195, 195, 195–197, 202, 219, 219, 219–221
PoolManager.sol	97.64%	99.06%	79.17%	99.40%	255, 258
Root.sol	96.15%	92.86%	100%	96.55%	104, 107
src/admins
DelayedAdmin.sol	85.71%	100%	85.71%	85.71%	53
PauseAdmin.sol	100%	100%	100%	100%
src/factories
LiquidityPoolFactory.sol	100%	100%	100%	100%
RestrictionManagerFactory.sol	100%	100%	100%	100%
TrancheTokenFactory.sol	100%	100%	100%	100%
src/gateway
Gateway.sol	100%	100%	100%	100%
src/gateway/routers
RouterAggregator.sol	92.31%	80.56%	90%	98.59%	118, 127, 141, 172, 174, 177, 184, 79
src/gateway/routers/axelar
Forwarder.sol	100%	100%	100%	100%
Router.sol	100%	100%	100%	100%
src/token
ERC20.sol	95.42%	92.86%	92.86%	97.33%	199, 228, 67, 85–86
RestrictionManager.sol	100%	100%	100%	100%
Tranche.sol	93.33%	100%	70%	100%