Enable `Text` widget #32

Job	Run time
cargo fmt	19s
cargo clippy + test (windows-latest)	1m 38s
cargo doc (windows-latest)	1m 13s
cargo clippy + test (macos-latest)	1m 27s
cargo doc (macos-latest)	35s
cargo clippy + test (ubuntu-latest)	1m 18s
cargo doc (ubuntu-latest)	28s
	6m 58s

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