docs: restore complete Apache 2.0 LICENSE with appendix and copyright #1744

Job	Run time
check_binaries (windows-latest, myceliumd)	19m 54s
check_library (macos-latest)	2m 32s
check_fmt	19s
check_library (windows-latest)	18m 36s
clippy (macos-latest)	2m 30s
check_binaries (ubuntu-latest, myceliumd-private)	3m 24s
check_binaries (windows-latest, myceliumd-private)	18m 56s
check_ios_library	3m 22s
check_library (ubuntu-latest)	2m 53s
check_flake (macos-latest)	12m 32s
check_binaries (ubuntu-latest, myceliumd)	3m 34s
check_binaries (macos-latest, myceliumd-private)	3m 1s
check_flake (ubuntu-latest)	9m 27s
clippy (ubuntu-latest)	2m 22s
check_binaries (macos-latest, myceliumd)	3m 57s
check_android_library	3m 22s
clippy (windows-latest)	15m 47s
	2h 6m 28s

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