build: add basic nodejs app #4

Job	Run time
CI / Build / Prepare Steps	12s
CI / Build / Lint (pre-steps)	30s
CI / Build / Unit Test (pre-steps)	32s
CI / Build / Build Image (linux/arm64)	43s
CI / Build / Build Image (linux/amd64)	1m 6s
CI / Build / Push Image	19s
CI / Build / matrix.post-steps.name	-1s
CI / Promote	20s
	3m 41s

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