Add cosmic text example #1867

Job	Run time
cargo check (msrv) (wasm32)	35s
cargo check (msrv) (windows-latest)	1m 31s
cargo clippy (windows-latest)	2m 25s
cargo check (aarch64-android)	20s
cargo check (msrv) (macos-latest)	55s
cargo clippy (wasm32)	1m 25s
cargo check (msrv) (ubuntu-latest)	37s
cargo doc	27s
cargo clippy (macos-latest)	1m 46s
cargo clippy (ubuntu-latest)	1m 38s
formatting	25s
Prime LFS Cache	7s
cargo test (wasm32)	32s
typos	4s
cargo test (windows-latest)	2m 25s
cargo test (macos-latest)	1m 16s
cargo test (ubuntu-latest)	3m 24s
	19m 52s

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