Add cosmic text example #1762

Job	Run time
cargo check (aarch64-android)	21s
cargo check (msrv) (wasm32)	40s
cargo clippy (windows-latest)	4m 39s
cargo check (msrv) (windows-latest)	1m 32s
cargo clippy (macos-latest)	1m 38s
cargo check (msrv) (macos-latest)	36s
cargo clippy (wasm32)	1m 42s
cargo doc	23s
cargo clippy (ubuntu-latest)	2m 10s
cargo check (msrv) (ubuntu-latest)	41s
formatting	17s
cargo test (wasm32)	26s
typos	4s
Prime LFS Cache	4s
cargo test (windows-latest)	2m 26s
cargo test (macos-latest)	1m 17s
cargo test (ubuntu-latest)	2m 47s
	21m 43s

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