Move default docs #29193

Job	Run time
run-examples-on-windows-dx12	16m 52s
check-bevy-internal-imports	4s
check-doc	11m 19s
build (windows-latest)	6m 38s
build (ubuntu-latest)	2m 36s
build (macos-latest)	4m 16s
check-missing-examples-in-docs	53s
ci	2m 41s
miri	7m 48s
check-missing-features-in-docs	47s
markdownlint	1m 44s
check-compiles	3m 27s
msrv	1m 28s
build-wasm	53s
	1h 1m 26s

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