Support tagged ZIP 32 child derivation for registered application protocols #81

Job	Run time
Clippy (MSRV)	2m 19s
Build target wasm32-wasi	2m 26s
Latest build on ubuntu-latest	6s
Intra-doc links	2m 25s
Latest build on windows-latest	32s
Test on ubuntu-latest	2m 21s
Latest build on macOS-latest	19s
Rustfmt	11s
Test on windows-latest	4m 10s
Test on macOS-latest	2m 46s
	17m 35s

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