feat(turbopack): support entryRootExport config #225

Job	Run time
validate-docs-links	14s
Determine changes	10s
build-next / build	1s
optimize-ci / Graphite CI Optimizer	4s
build-native / build	1s
test devlow package / build	1s
build-native-windows / build	1s
test next-swc wasm	0s
test cargo benches	0s
lint	0s
ast-grep lint	0s
test cargo unit	0s
test next-swc wasi	0s
rust check	0s
rustdoc check	-1s
test turbopack production	0s
test rspack dev	0s
test next-config-ts-native-ts dev	0s
test turbopack production integration	0s
test dev windows	0s
test unit	0s
test rspack production integration	0s
test cache components integration	0s
test firefox and safari	0s
test turbopack development integration	0s
test next-config-ts-native-ts prod	0s
test turbopack dev	0s
test rspack production	0s
test prod	0s
Test new tests for flakes (dev)	0s
Run devlow benchmarks	0s
test unit windows	0s
thank you, next	2s
types and precompiled	0s
test dev	0s
test cache components prod	0s
Test new tests for flakes (prod)	0s
Test new tests when deployed (cache components)	0s
test prod windows	0s
test integration	0s
test integration windows	0s
test rspack development integration	0s
test cache components dev	0s
Test new tests when deployed	0s
	33s

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