Add table of contents to documentation directory (#26743)

* Add table of contents to documentation repo

* Update README.md

* Delete PackageArchives.md

* Update README.md

Author: captainsafia

docs/PackageArchives.md

@@ -4,8 +4,23 @@ Contributor documentation
 The primary audience for documentation in this folder is contributors to ASP.NET Core.
 If you are looking for documentation on how to *use* ASP.NET Core, go to <https://docs.asp.net>.
 
-# ASP.NET Core developer workflow
+> :bulb: If you're a new contributor looking to set up the repo locally, the [build from source documentation](BuildFromSource.md) is the best place to start.
 
-- [Building from source](BuildFromSource.md)
-- [Troubleshooting build errors](BuildErrors.md)
-- [Artifacts structure](Artifacts.md)
+The table below outlines the different docs in this folder and what they are helpful for.
+
+| Documentation        | What is it about?   | Who is it for?      |
+|--------------------------------------------------------------------------|-------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|
+| [API review process](APIReviewProcess.md)      | Outlines the process for reviewing API changes in ASP.NET Core          | Anyone looking to understand the process for making API changes to ASP.NET Core      |
+| [Artifacts structure](Artifacts.md)            | Outlines the artifacts produced by the build  | Anyone looking to understand artifiacts produced from an Azure DevOps build          |
+| [Troubleshooting build errors](BuildErrors.md) | Common errors that occur when building the repo and how to resolve them | Anyone running into an issue with the build        |
+| [Building from source](BuildFromSource.md)     | Setup instructions for the ASP.NET Core repo  | First-time contributors          |
+| [Working with EventSources and EventCounters](EventSourceAndCounters.md) | Guidance on adding event tracing to a library | Anyone needing to add event tracing for diagnostics purposes      |
+| [Tests on Helix](Helix.md)        | An overview of the Helix test environment     | Anyone debugging tests in Helix or looking to understand the output from Helix builds       |
+| [Issue management](IssueManagementPolicies.md) | Overview of policies in place to manage issues| Community members and collaborators looking to understand how we handle closed issue, issues that need author feedback, etc |    |
+| [Preparing a patch update](PreparingPatchUpdates.md)        | Documentation on how to setup for a patch release of ASP.NET Core       | Anyone looking to publish servicing updates         |
+| [Project properties](ProjectProperties.md)     | Overview of configurable MSBuild properties on the repo    | Anyone looking to modify how a project is packaged   |
+| [How references are resolved](ReferenceResolution.md)       | Overview of dependency reference setup in the repo         | Anyone looking to understand how package references are configured in the repo |
+| [Servicing changes](Servicing.md) | Documentation on how to submit servicing PRs to previous releases       | Anyone to submit patches or backports to prior releases, contains the "Shiproom Template"  |
+| [Shared framework](SharedFramework.md)         | Overview of the ASP.NET Core Shared framework | Anyone looking to understand the policies in place for managing the code of the shared framework         |
+| Submodules           | Documentation on working with submodules in Git     |   Anyone working with submodules in the repo     |
+| [Triage process](TriageProcess.md)| Overview of the issue triage process used in the repo     | Anyone looking to understand the triage process on the repo  |