feat: Add Github Actions (#41) #15

Job	Run time
lint_test / build	1m 29s
docker_build (devnet)	1m 45s
docker_build (staging)	1m 51s
docker_build (testnet)	1m 47s
docker_build (mainnet-private)	1m 44s
docker_build (mainnet)	1m 41s
ecr_publish (devnet)	33s
dockerhub_publish (devnet)	18s
ecr_publish (staging)	34s
dockerhub_publish (staging)	18s
ecr_publish (testnet)	34s
dockerhub_publish (testnet)	18s
ecr_publish (mainnet-private)	33s
dockerhub_publish (mainnet-private)	19s
ecr_publish (mainnet)	32s
dockerhub_publish (mainnet)	18s
	14m 34s

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