docs(shim-spin/quickstart): updates and version bumps #401

Job	Run time
rustfmt	13m 39s
build / build (ubuntu-latest, x86_64, slight, v1)	18m 55s
build-wasm-images / build_and_push (examples/spin-rust-hello, images/spin)	1m 30s
build / build (ubuntu-latest, x86_64, spin, v2)	21m 19s
build-wasm-images / build_and_push (examples/spin-dotnet-hello, images/spin_dotnet)	54s
build / build (ubuntu-latest, x86_64, wws, v1)	15m 59s
build-wasm-images / build_and_push (examples/slight-rust-hello, images/slight)	4m 29s
build / build (ubuntu-latest, x86_64, lunatic, v1)	13m 25s
build-wasm-images / build_and_push (examples/wws-js-hello, images/wws)	11s
build / build (ubuntu-latest, aarch64, slight, v1)	20m 4s
build-wasm-images / build_and_push (examples/spin-inbound-redis, images/spin-inbound-redis)	1m 7s
build-wasm-images / build_and_push (examples/spin-outbound-redis, images/spin-outbound-redis)	56s
build / build (ubuntu-latest, aarch64, spin, v2)	21m 28s
build-wasm-images / build_and_push (examples/lunatic-rust-hello, images/lunatic)	28s
build / build (ubuntu-latest, aarch64, wws, v1)	16m 20s
build-wasm-images / build_and_push (examples/lunatic-spawn, images/lunatic-spawn)	5m 3s
build / build (ubuntu-latest, aarch64, lunatic, v1)	13m 22s
build-wasm-images / build_and_push (examples/lunatic-submillisecond, images/lunatic-submillisecond)	4m 35s
test	14m 14s
	3h 7m 58s

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