golangci-lint

feat: added a 2 second delay in all the sample apps #82

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Run time

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Job	Run time
lint (echo-sql)	3m 13s
lint (gin-mongo)	3m 19s
lint (gin-redis)	3m 8s
lint (graphql-sql)	3m 3s
lint (mux-sql)	3m 1s
lint (S3-Keploy)	3m 16s
lint (sse-svelte)	3m 5s
lint (users-profile)	3m 10s
	25m 15s