Split `fontique` into its own package. #11

Job	Run time
cargo fmt	21s
cargo clippy (android) (armv7-linux-androideabi)	50s
cargo clippy (android) (aarch64-linux-android)	47s
cargo check (msrv) (android) (armv7-linux-androideabi)	44s
cargo check (msrv) (windows-latest)	1m 19s
cargo clippy (android) (x86_64-linux-android)	47s
cargo check (msrv) (android) (aarch64-linux-android)	41s
cargo clippy (windows-latest)	1m 39s
cargo check (msrv) (macos-14)	43s
cargo check (msrv) (android) (x86_64-linux-android)	40s
cargo clippy (macos-14)	50s
cargo check (msrv) (ubuntu-latest)	42s
cargo doc (windows-latest)	1m 2s
cargo clippy (ubuntu-latest)	55s
cargo doc (macos-14)	31s
cargo test (windows-latest)	1m 8s
cargo doc (ubuntu-latest)	27s
cargo test (macos-14)	34s
cargo test (ubuntu-latest)	33s
	15m 13s

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