New component: NTP receiver

[atoulme]

The purpose and use-cases of the new component

This receiver retrieves clock offset from ntp server, respecting the TOS https://www.pool.ntp.org/tos.html.

It emits one metric, the offset in seconds from the NTP server.

Example configuration for the component

receivers:
  ntp:
    host: 0.pool.ntp.org

Telemetry data types supported

metrics

Is this a vendor-specific component?

• This is a vendor-specific component
• If this is a vendor-specific component, I am a member of the OpenTelemetry organization.
• If this is a vendor-specific component, I am proposing to contribute and support it as a representative of the vendor.

Code Owner(s)

atoulme

Sponsor (optional)

No response

Additional context

No response

[github-actions]

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