Add cosmic text example #1776

Job	Run time
cargo check (msrv) (wasm32)	42s
cargo check (msrv) (windows-latest)	2m 14s
cargo clippy (windows-latest)	3m 39s
cargo check (aarch64-android)	22s
cargo check (msrv) (macos-latest)	38s
cargo clippy (macos-latest)	1m 30s
cargo check (msrv) (ubuntu-latest)	42s
cargo clippy (wasm32)	1m 24s
cargo clippy (ubuntu-latest)	1m 47s
cargo doc	29s
cargo test (wasm32)	26s
typos	4s
formatting	24s
Prime LFS Cache	10s
cargo test (windows-latest)	2m 5s
cargo test (macos-latest)	44s
cargo test (ubuntu-latest)	1m 22s
	18m 42s

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