chore: convert to TypeScript #476

Job	Run time
JS Tests	11s
Android Unit Tests	1m 49s
iOS Sample App	11m 12s
Android Sample App	5m 45s
Android Lint	2m 20s
Android kotlin lint	49s
Save PR Number for Dependabot Automerge / Save PR Number for Dependabot Automerge	0s
Notify GChat	0s
	22m 6s

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