Support transforms for each widget (#753) #2567

Job	Run time
cargo check (aarch64-android)	25s
cargo check (msrv) (windows-latest)	1m 47s
cargo clippy (windows-latest)	4m 40s
cargo check (msrv) (macos-latest)	34s
cargo check (msrv) (wasm32)	19s
cargo clippy (macos-latest)	4m 13s
cargo clippy (wasm32)	2m 6s
cargo check (msrv) (ubuntu-latest)	47s
cargo clippy (ubuntu-latest)	3m 14s
cargo doc	45s
formatting	55s
Prime LFS Cache	4s
cargo test (wasm32)	22s
typos	6s
cargo test (windows-latest)	3m 22s
cargo test (macos-latest)	1m 44s
cargo test (ubuntu-latest)	4m 20s
	29m 43s

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