Grafana dashboard: ASP.NET OTEL (OpenTelemetry) Metrics
Description: Shows ASP.NET (Core/5/6/7) metrics from OpenTelemetry NuGet

Dashboard to show ASP.NET (.NET Core/5/6/7) metrics produced by `opentelemetry-dotnet` tools for Prometheus.

References:
* [https://opentelemetry.io](https://opentelemetry.io)
* [https://opentelemetry.io/docs/instrumentation/net](https://opentelemetry.io/docs/instrumentation/net)
* [https://github.com/open-telemetry/opentelemetry-dotnet](https://github.com/open-telemetry/opentelemetry-dotnet)

Example of ASP.NET configuration:

```
builder.Services.AddOpenTelemetry()
    .WithMetrics(b => b
        .AddAspNetCoreInstrumentation()
        .AddHttpClientInstrumentation()
        .AddRuntimeInstrumentation()
        .AddProcessInstrumentation()
        .AddPrometheusExporter())
    .StartWithHost();
```

Reference .NET integration with OTEL for this dashboard might be found here: [https://github.com/nazarii-piontko/sample-dotnet-otel](https://github.com/nazarii-piontko/sample-dotnet-otel)

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            "uid": "${DS_PROMETHEUS}"
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        "datasource": {
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        "includeAll": false,
        "label": "Instance",
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        "hide": 2,
        "includeAll": true,
        "label": "HTTP Client Pear Name",
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  "time": {
    "from": "now-1h",
    "to": "now"
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  "timepicker": {},
  "timezone": "",
  "title": "ASP.NET OTEL (OpenTelemetry) Metrics",
  "uid": "KdDACDp4z",
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}