add emoji family for emoji clusters #78

Job	Run time
cargo check (msrv) (android) (armv7-linux-androideabi)	28s
cargo check (msrv) (windows-latest)	49s
cargo check (msrv) (android) (aarch64-linux-android)	29s
cargo clippy (windows-latest)	1m 7s
cargo check (msrv) (macos-14)	29s
cargo clippy (android) (armv7-linux-androideabi)	42s
cargo check (msrv) (android) (x86_64-linux-android)	19s
cargo clippy (macos-14)	1m 3s
cargo check (msrv) (ubuntu-latest)	19s
cargo clippy (android) (aarch64-linux-android)	36s
cargo clippy (ubuntu-latest)	32s
cargo clippy (android) (x86_64-linux-android)	46s
cargo doc (windows-latest)	1m 22s
cargo fmt	20s
cargo doc (macos-14)	30s
cargo test (windows-latest)	46s
cargo test (macos-14)	21s
cargo test (ubuntu-latest)	15s
cargo doc (ubuntu-latest)	31s
	11m 44s

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