An I/O class for Ruby binding #8070

Job	Run time
build-java-doc	17s
build-nodejs-doc	18s
build-python-doc	3m 27s
build-rust-doc	4m 21s
build-c-doc	34s
build-cpp-doc	33s
build-haskell-doc	3m 19s
build-lua-doc	8s
build-ocaml-doc	4m 49s
build-dav-server-opendalfs-doc	45s
build-object-store-opendal-doc	42s
build-fuse3-opendal-doc	1m 3s
build-unftp-sbe-opendal-doc	1m 5s
build-opendal-compat-doc	39s
build-parquet-opendal-doc	48s
build-virtiofs-opendal-doc	43s
build-website	2m 2s
	25m 33s

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