Add OpenTelemetry tutorial (#218)

Signed-off-by: Dan Barr <[email protected]>
Co-authored-by: Dan Barr <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: danbarr

docs/toolhive/concepts/observability.md

@@ -417,13 +417,15 @@ groups:
 Now that you understand how ToolHive's observability works, you can:
 
 1. **Choose a monitoring backend** that fits your needs and budget
-2. **Enable telemetry** when running your servers:
+2. **Follow the tutorial** to set up a local observability stack with
+   [OpenTelemetry, Jaeger, Prometheus, and Grafana](../tutorials/opentelemetry.mdx)
+3. **Enable telemetry** when running your servers:
    - [using the ToolHive CLI](../guides-cli/telemetry-and-metrics.md)
    - using the Kubernetes operator (not yet supported -
      [contributions welcome](https://github.com/stacklok/toolhive/releases/tag/v0.2.0))
-3. **Set up basic dashboards** to track request rates, error rates, and response
+4. **Set up basic dashboards** to track request rates, error rates, and response
    times
-4. **Configure alerts** for critical issues
+5. **Configure alerts** for critical issues
 
 The telemetry system works automatically once enabled, providing immediate
 insights into your MCP server performance and usage patterns.

docs/toolhive/guides-cli/telemetry-and-metrics.md

@@ -322,6 +322,8 @@ Telemetry adds minimal overhead when properly configured:
 
 ## Related information
 
+- Tutorial:
+  [Collect telemetry for MCP workloads](../tutorials/opentelemetry.mdx)
 - [Telemetry and monitoring concepts](../concepts/observability.md)
 - [`thv run` command reference](../reference/cli/thv_run.md)
 - [Run MCP servers](run-mcp-servers.mdx)

docs/toolhive/guides-k8s/telemetry-and-metrics.md

@@ -278,6 +278,11 @@ Telemetry adds minimal overhead when properly configured:
 
 ## Related information
 
+- Tutorial:
+  [Collect telemetry for MCP workloads](../tutorials/opentelemetry.mdx) -
+  Step-by-step guide to set up a local observability stack
+- [Telemetry and monitoring concepts](../concepts/observability.md) - Overview
+  of ToolHive's observability architecture
 - [Kubernetes CRD reference](../reference/crd-spec.mdx) - Reference for the
   `MCPServer` Custom Resource Definition (CRD)
 - [Deploy the operator using Helm](./deploy-operator-helm.md) - Install the