Add basic framework of new articles

docs/codeql/codeql-for-visual-studio-code/index.rst

@@ -27,6 +27,11 @@ The CodeQL extension for Visual Studio Code adds rich language support for CodeQ
   VS Code to help you track the flow of data through a program, highlighting
   areas that are potential security vulnerabilities.  
 
+- :doc:`Running CodeQL queries at scale with multi-repository variant analysis
+  <running-codeql-queries-at-scale-with-mrva>`: You can run queries against groups
+  of repositories on GitHub.com and view results in Visual Studio Code as each analysis
+  finishes. 
+
 - :doc:`Testing CodeQL queries in Visual Studio Code
   <testing-codeql-queries-in-visual-studio-code>`: You can run unit tests for
   CodeQL queries using the Visual Studio Code extension.
@@ -40,7 +45,13 @@ The CodeQL extension for Visual Studio Code adds rich language support for CodeQ
 
 - :doc:`Troubleshooting CodeQL for Visual Studio Code
   <troubleshooting-codeql-for-visual-studio-code>`: You can use the detailed 
-  information written to the extension's log files if you need to troubleshoot problems.
+  information written to the extension's log files if you need to troubleshoot problems with
+  analysis of local CodeQL databases.
+
+- :doc:`Troubleshooting variant analysis
+  <troubleshooting-variant-analysis>`: You can use the detailed 
+  information written to workflow log files in your controller repository if you need to
+  troubleshoot problems with analysis of CodeQL databases stored on GitHub.com.
 
 - :doc:`About telemetry in CodeQL for Visual Studio Code <about-telemetry-in-codeql-for-visual-studio-code>`: If you specifically opt in to permit GitHub to do so, GitHub will collect usage data and metrics for the purposes of helping the core developers to improve the CodeQL extension for VS Code.
 
@@ -53,8 +64,10 @@ The CodeQL extension for Visual Studio Code adds rich language support for CodeQ
    analyzing-your-projects
    exploring-the-structure-of-your-source-code
    exploring-data-flow-with-path-queries
+   running-codeql-queries-at-scale-with-mrva
    testing-codeql-queries-in-visual-studio-code
    working-with-codeql-packs-in-visual-studio-code
    customizing-settings
    troubleshooting-codeql-for-visual-studio-code
+   troubleshooting-variant-analysis
    about-telemetry-in-codeql-for-visual-studio-code

docs/codeql/codeql-for-visual-studio-code/running-codeql-queries-at-scale-with-mrva.rst

@@ -0,0 +1,37 @@
+:tocdepth: 1
+
+.. _running-codeql-queries-at-scale-with-mrva:
+
+Running CodeQL queries at scale with multi-repository variant analysis
+======================================================================
+
+.. include:: ../reusables/beta-note-mrva.rst
+
+About multi-repository variant analysis
+---------------------------------------
+
+Explain what MVRA is, when it's useful, and basic billing (uses actions minutes for private repos).
+
+.. _controller-repository:
+
+About the controller repository
+-------------------------------
+Explain what a controller repository is, how to choose a good repository, can a team use a single repository, and any other questions that came up during the private beta test. Note that if you want to run MRVA on private repositories, you need to use a private controller repository to enable analysis.
+
+Getting started with variant analysis
+-------------------------------------
+Explain how to set it up for the first time.
+Explain how to run variant analysis.
+Explain how the results view works.
+
+Configuring variant analysis
+----------------------------
+Explain how to create your own list of repositories.
+Explain how to change your controller repository.
+
+Troubleshooting variant analysis
+--------------------------------
+
+For information on troubleshooting variant analysis, see
+":ref:`Troubleshooting variant analysis <troubleshooting-variant-analysis>`."
+

docs/codeql/codeql-for-visual-studio-code/troubleshooting-codeql-for-visual-studio-code.rst

@@ -5,7 +5,12 @@
 Troubleshooting CodeQL for Visual Studio Code
 =============================================
 
-You can use the detailed information written to the extension's log files if you need to troubleshoot problems.
+This article explains how to debug problems with the analysis of CodeQL databases that are stored on your local
+machine. For information on troubleshooting variant analysis, where the CodeQL dataabases are on GitHub.com, see
+":ref:`Troubleshooting variant analysis <troubleshooting-variant-analysis>`."
+
+You can use the detailed information written to the extension's log files if you need to troubleshoot problems
+analysing CodeQL databases that are stored locally.
 
 About the log files
 --------------------

docs/codeql/codeql-for-visual-studio-code/troubleshooting-variant-analysis.rst

@@ -0,0 +1,15 @@
+:tocdepth: 1
+
+.. _troubleshooting-variant-analysis:
+
+Troubleshooting variant analysis
+================================
+
+.. include:: ../reusables/beta-note-mrva.rst
+
+This article explains how to debug problems with variant analysis. That is, analysis where the
+CodeQL databases are on GitHub.com and not locally on your machine.
+For information on troubleshooting local analysis, see
+":ref:`Troubleshooting CodeQL for Visual Studio Code <troubleshooting-codeql-for-visual-studio-code>`."
+
+

docs/codeql/reusables/beta-note-mrva.rst

@@ -0,0 +1,7 @@
+.. pull-quote::
+
+    Note
+
+    Multi-repository variant analysis is currently available as a beta release and is subject to change. To use this feature you must upgrade the CodeQL extension for Visual Studio Code to a minimum of version 1.8.0.
+    
+    To provide feedback on the feature, see TODO-community-feedback-link.