Add sprite and mesh alteration examples #48453

Job	Run time
build (windows-latest)	9m 29s
check-bevy-internal-imports	4s
build (ubuntu-latest)	4m 21s
check-doc	11m 33s
build (macos-latest)	3m 25s
check-missing-examples-in-docs	30s
ci	4m 45s
miri	10m 54s
run-examples-macos-metal	5m 23s
toml	1m 52s
typos	8s
check-missing-features-in-docs	28s
markdownlint	1m 2s
check-compiles	6m 16s
build-wasm-atomics	1m 59s
msrv	1m 48s
build-wasm	1m 38s
	1h 5m 35s

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