Add cosmic text example #1866

Job	Run time
cargo check (aarch64-android)	19s
cargo clippy (windows-latest)	2m 51s
cargo check (msrv) (wasm32)	46s
cargo check (msrv) (windows-latest)	1m 53s
cargo clippy (macos-latest)	1m 33s
cargo check (msrv) (macos-latest)	59s
cargo clippy (ubuntu-latest)	1m 37s
cargo check (msrv) (ubuntu-latest)	39s
cargo clippy (wasm32)	1m 25s
cargo doc	21s
formatting	23s
Prime LFS Cache	3s
cargo test (wasm32)	33s
typos	5s
cargo test (windows-latest)	2m 4s
cargo test (macos-latest)	1m 36s
cargo test (ubuntu-latest)	3m 19s
	20m 26s

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