Add `contract info` #897

Job	Run time
build (stellar-cli, stellar, ubuntu-20.04, x86_64-unknown-linux-gnu)	14m 49s
build (stellar-cli, stellar, ubuntu-20.04, aarch64-unknown-linux-gnu)	16m 4s
build (stellar-cli, stellar, macos-14, x86_64-apple-darwin)	9m 25s
build (stellar-cli, stellar, macos-12, aarch64-apple-darwin)	16m 57s
build (stellar-cli, stellar, windows-latest, x86_64-pc-windows-msvc, .exe)	20m 56s
build (soroban-cli, soroban, ubuntu-20.04, x86_64-unknown-linux-gnu)	14m 50s
build (soroban-cli, soroban, ubuntu-20.04, aarch64-unknown-linux-gnu)	15m 54s
build (soroban-cli, soroban, macos-14, x86_64-apple-darwin)	11m 43s
build (soroban-cli, soroban, macos-12, aarch64-apple-darwin)	19m 13s
build (soroban-cli, soroban, windows-latest, x86_64-pc-windows-msvc, .exe)	19m 49s
	2h 39m 40s

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