feat:(core): add `content encoding` to `Opwrite` #2119

Job	Run time
build_all_features	1m 10s
build_default_features (ubuntu-latest)	35s
check_clippy	1m 9s
build_default_features (macos-latest)	55s
check_docs	1m 9s
build_default_features (windows-latest)	55s
check_msrv	32s
build_all_platforms (ubuntu-latest)	1m 8s
build_all_platforms (macos-latest)	1m 10s
build_all_platforms (windows-latest)	1m 2s
build_under_wasm	50s
unit	1m 8s
	11m 43s

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