fix: delete deployment files, migrate npm to yarn & make lint pass in all packages #8

Job	Run time
Lists modules	4s
license-check (./packages/api)	1m 19s
license-check (./packages/app)	1m 35s
license-check (./packages/proxy)	1m 25s
license-check (./packages/data-fetcher)	1m 24s
license-check (./packages/worker)	2m 2s
license-check (./packages/private-rpc)	1m 33s
license-check (.)	1m 30s
	10m 52s

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