feat: export encode/decode -Options #56

Job	Run time
js-test-and-release / check	46s
js-test-and-release / test-electron-renderer	15s
js-test-and-release / test-electron-main	19s
js-test-and-release / test-chrome	24s
js-test-and-release / test-chrome-webworker	19s
js-test-and-release / test-firefox	18s
js-test-and-release / test-firefox-webworker	20s
js-test-and-release / test-node (windows-latest, lts/*)	1m 45s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	12s
js-test-and-release / test-node (ubuntu-latest, lts/*)	14s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 25s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	9s
js-test-and-release / test-node (macos-latest, lts/*)	1s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	1m 35s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	8m 2s

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