[Editorial] add ToC to logging/metrics docs (#5298)

Author: reyang

README.md

@@ -33,9 +33,11 @@ If you are new here, please read the getting started docs:
 * [Logs](./docs/logs/README.md): [ASP.NET
   Core](./docs/logs/getting-started-aspnetcore/README.md) |
   [Console](./docs/logs/getting-started-console/README.md)
-* Metrics: [ASP.NET Core](./docs/metrics/getting-started-aspnetcore/README.md) |
+* [Metrics](./docs/metrics/README.md): [ASP.NET
+  Core](./docs/metrics/getting-started-aspnetcore/README.md) |
   [Console](./docs/metrics/getting-started-console/README.md)
-* Traces: [ASP.NET Core](./docs/trace/getting-started-aspnetcore/README.md) |
+* [Traces](./docs/trace/README.md): [ASP.NET
+  Core](./docs/trace/getting-started-aspnetcore/README.md) |
   [Console](./docs/trace/getting-started-console/README.md)
 
 This repository includes multiple installable components, available on

docs/logs/README.md

@@ -1,5 +1,21 @@
 # OpenTelemetry .NET Logs
 
+<!-- markdownlint-disable MD033 -->
+<details>
+<summary>Table of Contents</summary>
+
+* [Best Practices](#best-practices)
+* [Package Version](#package-version)
+* [Logging API](#logging-api)
+* [Logger Management](#logger-management)
+* [Log Correlation](#log-correlation)
+* [Log Enrichment](#log-enrichment)
+* [Log Filtering](#log-filtering)
+* [Log Redaction](#log-redaction)
+
+</details>
+<!-- markdownlint-enable MD033 -->
+
 ## Best Practices
 
 The following tutorials have demonstrated the best practices for logging with

docs/metrics/README.md

@@ -1,5 +1,21 @@
 # OpenTelemetry .NET Metrics
 
+<!-- markdownlint-disable MD033 -->
+<details>
+<summary>Table of Contents</summary>
+
+* [Best Practices](#best-practices)
+* [Package Version](#package-version)
+* [Metrics API](#metrics-api)
+* [MeterProvider Management](#meterprovider-management)
+* [Memory Management](#memory-management)
+  * [Pre-Aggregation](#pre-aggregation)
+  * [Cardinality Limits](#cardinality-limits)
+  * [Memory Preallocation](#memory-preallocation)
+
+</details>
+<!-- markdownlint-enable MD033 -->
+
 ## Best Practices
 
 The following tutorials have demonstrated the best practices for while using