docs: add and hello_world switched to direct import #1233

Job	Run time
Rustfmt	14s
Check	1m 42s
Clippy	6m 32s
Verify that web-sys is compiled correctly	1m 22s
Run js-sys crate tests	4m 21s
Run native tests	3m 5s
Run wasm-bindgen crate tests with multithreading enabled	2m 0s
Run wasm-bindgen crate tests (unix)	15m 18s
Run web-sys crate tests	5m 31s
build_benchmarks	1m 37s
build_examples	5m 51s
build_nightly	3m 6s
dist_linux_aarch64_gnu	3m 25s
dist_linux_x86_64_musl	4m 6s
dist_macos_aarch64	3m 35s
dist_macos_x86_64	3m 31s
Build and test the deno example	1m 23s
Test TypeScript output of wasm-bindgen	1m 27s
Run UI compile-fail tests	2m 29s
Run wasm-bindgen-webidl crate tests	3m 31s
dist_windows	5m 31s
doc_api	1m 24s
doc_book	12s
test_examples	3m 50s
deploy	1m 14s
	1h 26m 17s

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