Add cosmic text example #1774

Job	Run time
cargo check (aarch64-android)	29s
cargo check (msrv) (windows-latest)	2m 5s
cargo clippy (windows-latest)	48s
cargo check (msrv) (wasm32)	44s
cargo check (msrv) (macos-latest)	43s
cargo clippy (macos-latest)	47s
cargo check (msrv) (ubuntu-latest)	46s
cargo clippy (ubuntu-latest)	1m 3s
cargo clippy (wasm32)	54s
cargo doc	33s
formatting	29s
Prime LFS Cache	12s
cargo test (wasm32)	26s
typos	4s
cargo test (windows-latest)	1m 46s
cargo test (macos-latest)	49s
cargo test (ubuntu-latest)	1m 8s
	13m 46s

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