feat: phoenixd ln backend #1053

Job	Run time
Format	9s
Build WASM (stable, -p cdk)	1m 31s
Build (stable, -p cdk)	1m 14s
Build WASM (stable, -p cdk --no-default-features)	1m 21s
Build (stable, -p cdk --no-default-features)	1m 2s
Build WASM (stable, -p cdk --no-default-features --features wallet)	1m 27s
Build (stable, -p cdk --no-default-features --features wallet)	1m 15s
Build WASM (stable, -p cdk-js)	1m 38s
Build (stable, -p cdk --no-default-features --features mint)	1m 8s
Build (stable, -p cdk-redb)	1m 13s
Build (stable, -p cdk-sqlite)	1m 13s
Build (stable, -p cdk-axum)	1m 15s
Build (stable, -p cdk-cln)	1m 12s
Build (stable, -p cdk-phoenixd)	56s
Build (stable, -p cdk-strike)	1m 13s
Build (stable, -p cdk-fake-wallet)	1m 7s
Build (stable, --bin cdk-cli)	1m 15s
Build (stable, --bin cdk-mintd)	1m 17s
	21m 26s

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