Add Certora report to README #5

Job	Run time
verify (non-4626/Alex-gho-gsm_inverse.conf)	6m 28s
verify (non-4626/Alex-gho-gsm.conf)	4m 58s
verify (non-4626/balances-buy.conf)	7m 29s
verify (non-4626/balances-sell.conf)	3m 53s
verify (non-4626/Dominik-gho-assetToGhoInvertibility.conf --rule basicProperty_getAssetAmountForB...	7m 6s
verify (non-4626/Dominik-gho-fixedPriceStrategy.conf)	3m 30s
verify (non-4626/fees-buy.conf)	6m 48s
verify (non-4626/fees-sell.conf)	4m 6s
verify (non-4626/otakar-FixedFeeStrategy.conf)	3m 47s
verify (non-4626/Martin-gho-gsm.conf)	17m 49s
verify (non-4626/antti-optimality.conf --rule R3_optimalityOfSellAsset_v1 R1_optimalityOfBuyAsset...	15m 57s
verify (non-4626/otakar-getAmount_properties.conf --rule getAssetAmountForBuyAsset_funcProperty_L...	5m 18s
verify (non-4626/otakar-finishedRules.conf --rule whoCanChangeExposure whoCanChangeAccruedFees se...	9m 11s
verify (non-4626/otakar-OracleSwapFreezer.conf)	4m 10s
	1h 40m 30s

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