Add Shelly Cloud receiver for OpenTelemetry Collector #201

Job	Run time
detect-modules	8s
golangci-lint (/home/runner/work/collector/collector/receiver/wavinsentioreceiver)	45s
golangci-lint (/home/runner/work/collector/collector/receiver/toggltrackreceiver)	57s
golangci-lint (/home/runner/work/collector/collector/receiver/zcsazzurroreceiver)	44s
golangci-lint (/home/runner/work/collector/collector/receiver/shellycloudreceiver)	41s
golangci-lint (/home/runner/work/collector/collector/collector)	46s
	4m 1s

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