feat: add proquint multibase #197

Job	Run time
js-test-and-release / check	1m 7s
js-test-and-release / test-chrome	34s
js-test-and-release / test-firefox-webworker	39s
js-test-and-release / test-firefox	31s
js-test-and-release / test-chrome-webworker	36s
js-test-and-release / test-node (windows-latest, lts/*)	2m 19s
js-test-and-release / test-node (ubuntu-latest, lts/*)	27s
js-test-and-release / test-electron-main	40s
js-test-and-release / test-node (macos-latest, lts/*)	1m 31s
js-test-and-release / test-electron-renderer	26s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	52s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 37s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	1m 8s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	1m 17s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	13m 44s

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