Add perf links to README.md (#4306)

Update README.md

README.md

@@ -22,6 +22,12 @@ Quick links:
 
 [![Build Status](https://identitydivision.visualstudio.com/IDDP/_apis/build/status/CI/DotNet/.NET%20MSAL%20CI%20(YAML)?branchName=main)](https://identitydivision.visualstudio.com/IDDP/_build/latest?definitionId=922&branchName=main)
 
+### Performance perspectives
+
+[This document](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/wiki/Performance-testing) describes our approach to performance testing.
+
+View some of the historical performance benchmark results in [this dashboard](https://azuread.github.io/microsoft-authentication-library-for-dotnet/benchmarks/).
+
 ## Release notes, roadmap and SLA
 
 ### Release notes and roadmap
@@ -75,13 +81,13 @@ This library controls how users sign-in and access services. We recommend you al
 
 If you find a security issue with our libraries or services please report it to [secure@microsoft.com](mailto:secure@microsoft.com) with as much detail as possible. Your submission may be eligible for a bounty through the [Microsoft Bounty](https://aka.ms/bugbounty) program. Please do not post security issues to GitHub Issues or any other public site. We will contact you shortly upon receiving the information. We encourage you to get notifications of when security incidents occur by visiting the [Microsoft Technical Security Notifications page](https://www.microsoft.com/msrc/technical-security-notifications?rtc=1) and subscribing to Security Advisory Alerts.
 
-## Data Collection. 
+## Data Collection
 
 The software may collect information about you and your use of the software and send it to Microsoft. Microsoft may use this information to provide services and improve our products and services. You may turn off the telemetry as described in the repository. There are also some features in the software that may enable you and Microsoft to collect data from users of your applications. If you use these features, you must comply with applicable law, including providing appropriate notices to users of your applications together with a copy of Microsoft's privacy statement. Our privacy statement is located at https://go.microsoft.com/fwlink/?LinkID=824704. You can learn more about data collection and use in the help documentation and our privacy statement. Your use of the software operates as your consent to these practices.
 
 See the [wiki](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/wiki/MSAL.NET-telemetry-solution-overview) for an example of the telemetry collected by MSAL.NET.
 
-## Trademarks.
+## Trademarks
 
 This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow [Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general). Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.