README.md:better markdown syntax for lists #692

Job	Run time
Build WASM	4m 5s
Rust fmt	11s
Build and test (1.65.0, default)	2m 12s
Build and test (1.65.0, electrum,sqlite-db)	2m 9s
Build and test (1.65.0, electrum,key-value-db)	2m 16s
Build and test (1.65.0, electrum)	2m 11s
Build and test (1.65.0, esplora-ureq,sqlite-db)	1s
Build and test (1.65.0, esplora-reqwest,sqlite-db)	2m 11s
Build and test (1.65.0, compiler,sqlite-db)	2m 9s
Build and test (1.65.0, rpc,sqlite-db)	1s
Build and test (1.65.0, reserves,electrum,sqlite-db)	1s
Build and test (1.65.0, electrum,verify,sqlite-db)	2m 10s
Build and test (1.65.0, regtest-bitcoin,sqlite-db)	2m 8s
Build and test (1.65.0, regtest-electrum,sqlite-db)	1s
Build and test (1.57.0, default)	1m 56s
Build and test (1.57.0, electrum,sqlite-db)	2m 0s
Build and test (1.57.0, electrum,key-value-db)	1m 54s
Build and test (1.57.0, electrum)	1m 59s
Build and test (1.57.0, esplora-ureq,sqlite-db)	2m 6s
Build and test (1.57.0, esplora-reqwest,sqlite-db)	2m 5s
Build and test (1.57.0, compiler,sqlite-db)	1m 58s
Build and test (1.57.0, rpc,sqlite-db)	2m 0s
Build and test (1.57.0, reserves,electrum,sqlite-db)	1m 58s
Build and test (1.57.0, electrum,verify,sqlite-db)	1m 56s
Build and test (1.57.0, regtest-bitcoin,sqlite-db)	1m 59s
Build and test (1.57.0, regtest-electrum,sqlite-db)	1m 54s
	45m 31s

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